Gravis I is a formidable solution for people looking for accurate bass extension in mid-sized listening rooms. It is a powerful medium-sized subwoofer that delivers an ideal compromise between size and performance. It features a down-firing 8” active driver, along with a high current 150W Class AB amplifier allowing it accurate and expressive bass reproduction well beyond its class. A highly-advanced preamp stage is responsible for the texture, speed, and attack of the smaller Gravis subwoofer models. Moreover, Gravis Is rear panel features a complete connectivity solution that allows for both perfectly blended musical sub bass and powerful, percussive, home theater bass. A wide sound field reproduction is the result whenever this subwoofer unit is matched with a loudspeaker system. Its sound is rock-solid, fast, and has startling depth. Loudspeaker Type: Closed box loading, down firing active subwoofer Woofer: 1 x 210mm (8”) very longthrow, treated paper cone, wide rubber surround woofer Amplifier Type: High linearity Class AB Power amplifier (max): 150 W rms, 250 W (peak) Frequency response @-6dB/@-3dB (in room): From 30/40 Hz to Fc (user adjustable) Mains input voltage: Factory selected, 120Vac - 60Hz or 230 Vac - 50 Hz Fuse: T4.0A (110Vac, 60Hz); T2.0A (230V, 50Hz) Fuse System protection: Output signal short circuit Over-heating; DC Fault Volume Controls: Independent Master and LFE volume controls Crossover Control: Continuously adjustable Crossover frequency (30 to 120Hz) Auto switch-on/off (deselectable): Yes Audio signal inputs LFE (Low Frequency Effect), single phono plug, line level signal High level signals, Neutrik 4-pole Speakon© Power consumption: 0.5 W (Stand-by) 250W (Rated power) Finishes: Matte White, Piano Black, Wood Dimensions (H x W x D): 13.1 x 11.2 x 12.4 including feet Weight: Approx 32 lb Supplied accessories: AC Power cord, 10m/32.8 ft Neutrik Speakon© interconnection cable

Gravis I is a formidable solution for people looking for accurate bass extension in mid-sized listening rooms. It is a powerful medium-sized subwoofer that delivers an ideal compromise between size and performance. It features a down-firing 8” active driver, along with a high current 150W Class AB amplifier allowing it accurate and expressive bass reproduction well beyond its class. A highly-advanced preamp stage is responsible for the texture, speed, and attack of the smaller Gravis subwoofer models. Moreover, Gravis Is rear panel features a complete connectivity solution that allows for both perfectly blended musical sub bass and powerful, percussive, home theater bass. A wide sound field reproduction is the result whenever this subwoofer unit is matched with a loudspeaker system. Its sound is rock-solid, fast, and has startling depth. Loudspeaker Type: Closed box loading, down firing active subwoofer Woofer: 1 x 210mm (8”) very longthrow, treated paper cone, wide rubber surround woofer Amplifier Type: High linearity Class AB Power amplifier (max): 150 W rms, 250 W (peak) Frequency response @-6dB/@-3dB (in room): From 30/40 Hz to Fc (user adjustable) Mains input voltage: Factory selected, 120Vac - 60Hz or 230 Vac - 50 Hz Fuse: T4.0A (110Vac, 60Hz); T2.0A (230V, 50Hz) Fuse System protection: Output signal short circuit Over-heating; DC Fault Volume Controls: Independent Master and LFE volume controls Crossover Control: Continuously adjustable Crossover frequency (30 to 120Hz) Auto switch-on/off (deselectable): Yes Audio signal inputs LFE (Low Frequency Effect), single phono plug, line level signal High level signals, Neutrik 4-pole Speakon© Power consumption: 0.5 W (Stand-by) 250W (Rated power) Finishes: Matte White, Piano Black, Wood Dimensions (H x W x D): 13.1 x 11.2 x 12.4 including feet Weight: Approx 32 lb Supplied accessories: AC Power cord, 10m/32.8 ft Neutrik Speakon© interconnection cable

Follow us| Sign up for our newsletter Sonus Faber Gravis III - Audiophile Quality Powered Subwoofer w Original Box For over 20 years High End Audio Auctions has been selling the finest HiFi online, but did you know that we BUY your HiFi equipment as well? Contact our sister company STEREOBUYERS for a fair quote today! All items included are pictured. Items are tested fully to ensure all functions work as expected - any defects and additional service done to the item are noted below. Items are not restored or reconditioned, unless specified. All items we sell come with a 30-day warranty - your satisfaction is guaranteed. Original shipping on returns will be refunded at the sellers discretion. Local Pickup in NYC Available Sonus Faber Gravis III Details & Testing Notes Cosmetic Condition:9/10: Excellent - light use, no visible imperfectionsFunctional Notes:Functions as intended and sounds great.Voltage:115V 50/60HzSerial #:214Original Box:YesManual:YesPower Cord:YesAdditional Items:SpeakOn CableShipping Method:FedEx Ground (Domestic) / USPS Priority, Ebay Standard Delivery (International) Shipping Weight (lbs):64 (24x19x22) High-End Audio Auctions has been THE trusted source for high-end, classic and vintage audio components on eBay since 2000! Our unique products, unparalleled service and bombproof packaging keeps our customers coming back again and again. We are experts at selling and shipping worldwide, with items ranging from $5 to $50,000. We look forward to earning your repeat business! By placing a bid on any of our listings, you agree to our terms & conditions Click here to learn more Home| About Us| Store Policies| FAQs| Feedback| Contact Us| Custom Tuned Cables _gsrx_vers_1516 (GS 9.3 (1516))

Gravis I is a formidable solution for people looking for accurate bass extension in mid-sized listening rooms. It is a powerful medium-sized subwoofer that delivers an ideal compromise between size and performance. It features a down-firing 8” active driver, along with a high current 150W Class AB amplifier allowing it accurate and expressive bass reproduction well beyond its class. A highly-advanced preamp stage is responsible for the texture, speed, and attack of the smaller Gravis subwoofer models. Moreover, Gravis Is rear panel features a complete connectivity solution that allows for both perfectly blended musical sub bass and powerful, percussive, home theater bass. A wide sound field reproduction is the result whenever this subwoofer unit is matched with a loudspeaker system. Its sound is rock-solid, fast, and has startling depth. Loudspeaker Type: Closed box loading, down firing active subwoofer Woofer: 1 x 210mm (8”) very longthrow, treated paper cone, wide rubber surround woofer Amplifier Type: High linearity Class AB Power amplifier (max): 150 W rms, 250 W (peak) Frequency response @-6dB/@-3dB (in room): From 30/40 Hz to Fc (user adjustable) Mains input voltage: Factory selected, 120Vac - 60Hz or 230 Vac - 50 Hz Fuse: T4.0A (110Vac, 60Hz); T2.0A (230V, 50Hz) Fuse System protection: Output signal short circuit Over-heating; DC Fault Volume Controls: Independent Master and LFE volume controls Crossover Control: Continuously adjustable Crossover frequency (30 to 120Hz) Auto switch-on/off (deselectable): Yes Audio signal inputs LFE (Low Frequency Effect), single phono plug, line level signal High level signals, Neutrik 4-pole Speakon© Power consumption: 0.5 W (Stand-by) 250W (Rated power) Finishes: Matte White, Piano Black, Wood Dimensions (H x W x D): 13.1 x 11.2 x 12.4 including feet Weight: Approx 32 lb Supplied accessories: AC Power cord, 10m/32.8 ft Neutrik Speakon© interconnection cable

On FB Mkt Plc at a lower price---far lower fees. Shipping weight is about 250 lbs. Cost to ship to Calif is $300. Local pickup is free. Sonus Faber Grand Piano surround sound system with sub woofer. Virtually unused.

Gravis I is a formidable solution for people looking for accurate bass extension in mid-sized listening rooms. It is a powerful medium-sized subwoofer that delivers an ideal compromise between size and performance. It features a down-firing 8” active driver, along with a high current 150W Class AB amplifier allowing it accurate and expressive bass reproduction well beyond its class. A highly-advanced preamp stage is responsible for the texture, speed, and attack of the smaller Gravis subwoofer models. Moreover, Gravis Is rear panel features a complete connectivity solution that allows for both perfectly blended musical sub bass and powerful, percussive, home theater bass. A wide sound field reproduction is the result whenever this subwoofer unit is matched with a loudspeaker system. Its sound is rock-solid, fast, and has startling depth. Loudspeaker Type: Closed box loading, down firing active subwoofer Woofer: 1 x 210mm (8”) very longthrow, treated paper cone, wide rubber surround woofer Amplifier Type: High linearity Class AB Power amplifier (max): 150 W rms, 250 W (peak) Frequency response @-6dB/@-3dB (in room): From 30/40 Hz to Fc (user adjustable) Mains input voltage: Factory selected, 120Vac - 60Hz or 230 Vac - 50 Hz Fuse: T4.0A (110Vac, 60Hz); T2.0A (230V, 50Hz) Fuse System protection: Output signal short circuit Over-heating; DC Fault Volume Controls: Independent Master and LFE volume controls Crossover Control: Continuously adjustable Crossover frequency (30 to 120Hz) Auto switch-on/off (deselectable): Yes Audio signal inputs LFE (Low Frequency Effect), single phono plug, line level signal High level signals, Neutrik 4-pole Speakon© Power consumption: 0.5 W (Stand-by) 250W (Rated power) Finishes: Matte White, Piano Black, Wood Dimensions (H x W x D): 13.1 x 11.2 x 12.4 including feet Weight: Approx 32 lb Supplied accessories: User manual, AC Power cord, 10m/32.8 ft Neutrik Speakon© interconnection cable

Sonus Faber Grand Piano surround sound system with sub woofer. Virtually unused..

Gravis I is a formidable solution for people looking for accurate bass extension in mid-sized listening rooms. It is a powerful medium-sized subwoofer that delivers an ideal compromise between size and performance. It features a down-firing 8” active driver, along with a high current 150W Class AB amplifier allowing it accurate and expressive bass reproduction well beyond its class. A highly-advanced preamp stage is responsible for the texture, speed, and attack of the smaller Gravis subwoofer models. Moreover, Gravis Is rear panel features a complete connectivity solution that allows for both perfectly blended musical sub bass and powerful, percussive, home theater bass. A wide sound field reproduction is the result whenever this subwoofer unit is matched with a loudspeaker system. Its sound is rock-solid, fast, and has startling depth. Loudspeaker Type: Closed box loading, down firing active subwoofer Woofer: 1 x 210mm (8”) very longthrow, treated paper cone, wide rubber surround woofer Amplifier Type: High linearity Class AB Power amplifier (max): 150 W rms, 250 W (peak) Frequency response @-6dB/@-3dB (in room): From 30/40 Hz to Fc (user adjustable) Mains input voltage: Factory selected, 120Vac - 60Hz or 230 Vac - 50 Hz Fuse: T4.0A (110Vac, 60Hz); T2.0A (230V, 50Hz) Fuse System protection: Output signal short circuit Over-heating; DC Fault Volume Controls: Independent Master and LFE volume controls Crossover Control: Continuously adjustable Crossover frequency (30 to 120Hz) Auto switch-on/off (deselectable): Yes Audio signal inputs LFE (Low Frequency Effect), single phono plug, line level signal High level signals, Neutrik 4-pole Speakon© Power consumption: 0.5 W (Stand-by) 250W (Rated power) Finishes: Matte White, Piano Black, Wood Dimensions (H x W x D): 13.1 x 11.2 x 12.4 including feet Weight: Approx 32 lb Supplied accessories: User manual, AC Power cord, 10m/32.8 ft Neutrik Speakon© interconnection cable

Gravis I is a formidable solution for people looking for accurate bass extension in mid-sized listening rooms. It is a powerful medium-sized subwoofer that delivers an ideal compromise between size and performance. It features a down-firing 8” active driver, along with a high current 150W Class AB amplifier allowing it accurate and expressive bass reproduction well beyond its class. A highly-advanced preamp stage is responsible for the texture, speed, and attack of the smaller Gravis subwoofer models. Moreover, Gravis Is rear panel features a complete connectivity solution that allows for both perfectly blended musical sub bass and powerful, percussive, home theater bass. A wide sound field reproduction is the result whenever this subwoofer unit is matched with a loudspeaker system. Its sound is rock-solid, fast, and has startling depth. Loudspeaker Type: Closed box loading, down firing active subwoofer Woofer: 1 x 210mm (8”) very longthrow, treated paper cone, wide rubber surround woofer Amplifier Type: High linearity Class AB Power amplifier (max): 150 W rms, 250 W (peak) Frequency response @-6dB/@-3dB (in room): From 30/40 Hz to Fc (user adjustable) Mains input voltage: Factory selected, 120Vac - 60Hz or 230 Vac - 50 Hz Fuse: T4.0A (110Vac, 60Hz); T2.0A (230V, 50Hz) Fuse System protection: Output signal short circuit Over-heating; DC Fault Volume Controls: Independent Master and LFE volume controls Crossover Control: Continuously adjustable Crossover frequency (30 to 120Hz) Auto switch-on/off (deselectable): Yes Audio signal inputs LFE (Low Frequency Effect), single phono plug, line level signal High level signals, Neutrik 4-pole Speakon© Power consumption: 0.5 W (Stand-by) 250W (Rated power) Finishes: Matte White, Piano Black, Wood Dimensions (H x W x D): 13.1 x 11.2 x 12.4 including feet Weight: Approx 32 lb Supplied accessories: User manual, AC Power cord, 10m/32.8 ft Neutrik Speakon© interconnection cable

Gravis I is a formidable solution for people looking for accurate bass extension in mid-sized listening rooms. It is a powerful medium-sized subwoofer that delivers an ideal compromise between size and performance. It features a down-firing 8” active driver, along with a high current 150W Class AB amplifier allowing it accurate and expressive bass reproduction well beyond its class. A highly-advanced preamp stage is responsible for the texture, speed, and attack of the smaller Gravis subwoofer models. Moreover, Gravis Is rear panel features a complete connectivity solution that allows for both perfectly blended musical sub bass and powerful, percussive, home theater bass. A wide sound field reproduction is the result whenever this subwoofer unit is matched with a loudspeaker system. Its sound is rock-solid, fast, and has startling depth. Loudspeaker Type: Closed box loading, down firing active subwoofer Woofer: 1 x 210mm (8”) very longthrow, treated paper cone, wide rubber surround woofer Amplifier Type: High linearity Class AB Power amplifier (max): 150 W rms, 250 W (peak) Frequency response @-6dB/@-3dB (in room): From 30/40 Hz to Fc (user adjustable) Mains input voltage: Factory selected, 120Vac - 60Hz or 230 Vac - 50 Hz Fuse: T4.0A (110Vac, 60Hz); T2.0A (230V, 50Hz) Fuse System protection: Output signal short circuit Over-heating; DC Fault Volume Controls: Independent Master and LFE volume controls Crossover Control: Continuously adjustable Crossover frequency (30 to 120Hz) Auto switch-on/off (deselectable): Yes Audio signal inputs LFE (Low Frequency Effect), single phono plug, line level signal High level signals, Neutrik 4-pole Speakon© Power consumption: 0.5 W (Stand-by) 250W (Rated power) Finishes: Matte White, Piano Black, Wood Dimensions (H x W x D): 13.1 x 11.2 x 12.4 including feet Weight: Approx 32 lb Supplied accessories: User manual, AC Power cord, 10m/32.8 ft Neutrik Speakon© interconnection cable

Gravis I is a formidable solution for people looking for accurate bass extension in mid-sized listening rooms. It is a powerful medium-sized subwoofer that delivers an ideal compromise between size and performance. It features a down-firing 8” active driver, along with a high current 150W Class AB amplifier allowing it accurate and expressive bass reproduction well beyond its class. A highly-advanced preamp stage is responsible for the texture, speed, and attack of the smaller Gravis subwoofer models. Moreover, Gravis Is rear panel features a complete connectivity solution that allows for both perfectly blended musical sub bass and powerful, percussive, home theater bass. A wide sound field reproduction is the result whenever this subwoofer unit is matched with a loudspeaker system. Its sound is rock-solid, fast, and has startling depth. Loudspeaker Type: Closed box loading, down firing active subwoofer Woofer: 1 x 210mm (8”) very longthrow, treated paper cone, wide rubber surround woofer Amplifier Type: High linearity Class AB Power amplifier (max): 150 W rms, 250 W (peak) Frequency response @-6dB/@-3dB (in room): From 30/40 Hz to Fc (user adjustable) Mains input voltage: Factory selected, 120Vac - 60Hz or 230 Vac - 50 Hz Fuse: T4.0A (110Vac, 60Hz); T2.0A (230V, 50Hz) Fuse System protection: Output signal short circuit Over-heating; DC Fault Volume Controls: Independent Master and LFE volume controls Crossover Control: Continuously adjustable Crossover frequency (30 to 120Hz) Auto switch-on/off (deselectable): Yes Audio signal inputs LFE (Low Frequency Effect), single phono plug, line level signal High level signals, Neutrik 4-pole Speakon© Power consumption: 0.5 W (Stand-by) 250W (Rated power) Finishes: Matte White, Piano Black, Wood Dimensions (H x W x D): 13.1 x 11.2 x 12.4 including feet Weight: Approx 32 lb Supplied accessories: User manual, AC Power cord, 10m/32.8 ft Neutrik Speakon© interconnection cable

Gravis I is a formidable solution for people looking for accurate bass extension in mid-sized listening rooms. It is a powerful medium-sized subwoofer that delivers an ideal compromise between size and performance. It features a down-firing 8” active driver, along with a high current 150W Class AB amplifier allowing it accurate and expressive bass reproduction well beyond its class. A highly-advanced preamp stage is responsible for the texture, speed, and attack of the smaller Gravis subwoofer models. Moreover, Gravis Is rear panel features a complete connectivity solution that allows for both perfectly blended musical sub bass and powerful, percussive, home theater bass. A wide sound field reproduction is the result whenever this subwoofer unit is matched with a loudspeaker system. Its sound is rock-solid, fast, and has startling depth. Loudspeaker Type: Closed box loading, down firing active subwoofer Woofer: 1 x 210mm (8”) very longthrow, treated paper cone, wide rubber surround woofer Amplifier Type: High linearity Class AB Power amplifier (max): 150 W rms, 250 W (peak) Frequency response @-6dB/@-3dB (in room): From 30/40 Hz to Fc (user adjustable) Mains input voltage: Factory selected, 120Vac - 60Hz or 230 Vac - 50 Hz Fuse: T4.0A (110Vac, 60Hz); T2.0A (230V, 50Hz) Fuse System protection: Output signal short circuit Over-heating; DC Fault Volume Controls: Independent Master and LFE volume controls Crossover Control: Continuously adjustable Crossover frequency (30 to 120Hz) Auto switch-on/off (deselectable): Yes Audio signal inputs LFE (Low Frequency Effect), single phono plug, line level signal High level signals, Neutrik 4-pole Speakon© Power consumption: 0.5 W (Stand-by) 250W (Rated power) Finishes: Matte White, Piano Black, Wood Dimensions (H x W x D): 13.1 x 11.2 x 12.4 including feet Weight: Approx 32 lb Supplied accessories: User manual, AC Power cord, 10m/32.8 ft Neutrik Speakon© interconnection cable

Gravis I is a formidable solution for people looking for accurate bass extension in mid-sized listening rooms. It is a powerful medium-sized subwoofer that delivers an ideal compromise between size and performance. It features a down-firing 8” active driver, along with a high current 150W Class AB amplifier allowing it accurate and expressive bass reproduction well beyond its class. A highly-advanced preamp stage is responsible for the texture, speed, and attack of the smaller Gravis subwoofer models. Moreover, Gravis Is rear panel features a complete connectivity solution that allows for both perfectly blended musical sub bass and powerful, percussive, home theater bass. A wide sound field reproduction is the result whenever this subwoofer unit is matched with a loudspeaker system. Its sound is rock-solid, fast, and has startling depth. Loudspeaker Type: Closed box loading, down firing active subwoofer Woofer: 1 x 210mm (8”) very longthrow, treated paper cone, wide rubber surround woofer Amplifier Type: High linearity Class AB Power amplifier (max): 150 W rms, 250 W (peak) Frequency response @-6dB/@-3dB (in room): From 30/40 Hz to Fc (user adjustable) Mains input voltage: Factory selected, 120Vac - 60Hz or 230 Vac - 50 Hz Fuse: T4.0A (110Vac, 60Hz); T2.0A (230V, 50Hz) Fuse System protection: Output signal short circuit Over-heating; DC Fault Volume Controls: Independent Master and LFE volume controls Crossover Control: Continuously adjustable Crossover frequency (30 to 120Hz) Auto switch-on/off (deselectable): Yes Audio signal inputs LFE (Low Frequency Effect), single phono plug, line level signal High level signals, Neutrik 4-pole Speakon© Power consumption: 0.5 W (Stand-by) 250W (Rated power) Finishes: Matte White, Piano Black, Wood Dimensions (H x W x D): 13.1 x 11.2 x 12.4 including feet Weight: Approx 32 lb Supplied accessories: User manual, AC Power cord, 10m/32.8 ft Neutrik Speakon© interconnection cable

Gravis I is a formidable solution for people looking for accurate bass extension in mid-sized listening rooms. It is a powerful medium-sized subwoofer that delivers an ideal compromise between size and performance. It features a down-firing 8” active driver, along with a high current 150W Class AB amplifier allowing it accurate and expressive bass reproduction well beyond its class. A highly-advanced preamp stage is responsible for the texture, speed, and attack of the smaller Gravis subwoofer models. Moreover, Gravis Is rear panel features a complete connectivity solution that allows for both perfectly blended musical sub bass and powerful, percussive, home theater bass. A wide sound field reproduction is the result whenever this subwoofer unit is matched with a loudspeaker system. Its sound is rock-solid, fast, and has startling depth. Loudspeaker Type: Closed box loading, down firing active subwoofer Woofer: 1 x 210mm (8”) very longthrow, treated paper cone, wide rubber surround woofer Amplifier Type: High linearity Class AB Power amplifier (max): 150 W rms, 250 W (peak) Frequency response @-6dB/@-3dB (in room): From 30/40 Hz to Fc (user adjustable) Mains input voltage: Factory selected, 120Vac - 60Hz or 230 Vac - 50 Hz Fuse: T4.0A (110Vac, 60Hz); T2.0A (230V, 50Hz) Fuse System protection: Output signal short circuit Over-heating; DC Fault Volume Controls: Independent Master and LFE volume controls Crossover Control: Continuously adjustable Crossover frequency (30 to 120Hz) Auto switch-on/off (deselectable): Yes Audio signal inputs LFE (Low Frequency Effect), single phono plug, line level signal High level signals, Neutrik 4-pole Speakon© Power consumption: 0.5 W (Stand-by) 250W (Rated power) Finishes: Matte White, Piano Black, Wood Dimensions (H x W x D): 13.1 x 11.2 x 12.4 including feet Weight: Approx 32 lb Supplied accessories: User manual, AC Power cord, 10m/32.8 ft Neutrik Speakon© interconnection cable

Gravis I is a formidable solution for people looking for accurate bass extension in mid-sized listening rooms. It is a powerful medium-sized subwoofer that delivers an ideal compromise between size and performance. It features a down-firing 8” active driver, along with a high current 150W Class AB amplifier allowing it accurate and expressive bass reproduction well beyond its class. A highly-advanced preamp stage is responsible for the texture, speed, and attack of the smaller Gravis subwoofer models. Moreover, Gravis Is rear panel features a complete connectivity solution that allows for both perfectly blended musical sub bass and powerful, percussive, home theater bass. A wide sound field reproduction is the result whenever this subwoofer unit is matched with a loudspeaker system. Its sound is rock-solid, fast, and has startling depth. Loudspeaker Type: Closed box loading, down firing active subwoofer Woofer: 1 x 210mm (8”) very longthrow, treated paper cone, wide rubber surround woofer Amplifier Type: High linearity Class AB Power amplifier (max): 150 W rms, 250 W (peak) Frequency response @-6dB/@-3dB (in room): From 30/40 Hz to Fc (user adjustable) Mains input voltage: Factory selected, 120Vac - 60Hz or 230 Vac - 50 Hz Fuse: T4.0A (110Vac, 60Hz); T2.0A (230V, 50Hz) Fuse System protection: Output signal short circuit Over-heating; DC Fault Volume Controls: Independent Master and LFE volume controls Crossover Control: Continuously adjustable Crossover frequency (30 to 120Hz) Auto switch-on/off (deselectable): Yes Audio signal inputs LFE (Low Frequency Effect), single phono plug, line level signal High level signals, Neutrik 4-pole Speakon© Power consumption: 0.5 W (Stand-by) 250W (Rated power) Finishes: Matte White, Piano Black, Wood Dimensions (H x W x D): 13.1 x 11.2 x 12.4 including feet Weight: Approx 32 lb Supplied accessories: User manual, AC Power cord, 10m/32.8 ft Neutrik Speakon© interconnection cable

Gravis I is a formidable solution for people looking for accurate bass extension in mid-sized listening rooms. It is a powerful medium-sized subwoofer that delivers an ideal compromise between size and performance. It features a down-firing 8” active driver, along with a high current 150W Class AB amplifier allowing it accurate and expressive bass reproduction well beyond its class. A highly-advanced preamp stage is responsible for the texture, speed, and attack of the smaller Gravis subwoofer models. Moreover, Gravis Is rear panel features a complete connectivity solution that allows for both perfectly blended musical sub bass and powerful, percussive, home theater bass. A wide sound field reproduction is the result whenever this subwoofer unit is matched with a loudspeaker system. Its sound is rock-solid, fast, and has startling depth. Loudspeaker Type: Closed box loading, down firing active subwoofer Woofer: 1 x 210mm (8”) very longthrow, treated paper cone, wide rubber surround woofer Amplifier Type: High linearity Class AB Power amplifier (max): 150 W rms, 250 W (peak) Frequency response @-6dB/@-3dB (in room): From 30/40 Hz to Fc (user adjustable) Mains input voltage: Factory selected, 120Vac - 60Hz or 230 Vac - 50 Hz Fuse: T4.0A (110Vac, 60Hz); T2.0A (230V, 50Hz) Fuse System protection: Output signal short circuit Over-heating; DC Fault Volume Controls: Independent Master and LFE volume controls Crossover Control: Continuously adjustable Crossover frequency (30 to 120Hz) Auto switch-on/off (deselectable): Yes Audio signal inputs LFE (Low Frequency Effect), single phono plug, line level signal High level signals, Neutrik 4-pole Speakon© Power consumption: 0.5 W (Stand-by) 250W (Rated power) Finishes: Matte White, Piano Black, Wood Dimensions (H x W x D): 13.1 x 11.2 x 12.4 including feet Weight: Approx 32 lb Supplied accessories: User manual, AC Power cord, 10m/32.8 ft Neutrik Speakon© interconnection cable