In time for the holidays as a gift to that audiophile in your life, or for adding that bottom end in some great entertainment. An outstanding clarity subwoofer. Gently and respectfully used - good condition. Minor cosmetic marks that polish out nicely. Photos taken without polish or wax applied.Adjustable feet on bottomExtra grille included in case needed - it has a minor 1/4 rip in middle. =========Elevate your home audio experience with the MartinLogan Grotto subwoofer system. It boasts a powerful 250W RMS power output and a wired connectivity option for seamless integration into your existing setup. The triangular shape and sleek black color make it a stylish addition to any room. With stereo L/R RCA and speaker audio inputs, this subwoofer is compatible with a wide range of devices. The Grotto is designed to deliver high-resolution audio with servo control technology for accurate and clean bass. Whether youre watching movies or listening to music, the MartinLogan Grotto subwoofer system is sure to enhance your home entertainment experience. Specifications from the MartinLogan website:Frequency Response22–150 Hz ±3dB; Anechoic through LFE effects inputImpedanceRCA Line Level In: 20,000 Ohms. Compatible with 4, 6, or 8 Ohm rated amplifiers.Low Frequency Transducer10 (25.4cm) high excursion, aluminum element woofer with extended throw drive assembly, non-resonance asymmetrical chamber formatAmplifier250 watts rms (350 watts peak)Audio Controls25Hz Level Control: ±12dB Power: Auto/On/StandbyHigh Pass Filter Frequency70 HzLow Pass Filter Frequency30, 35, 45, 55, 65, 80 HzInputsRCA line level; RCA LFE; speaker levelWeight40 lbs. (18.2 kg)Dimensions15.4 × 15 × 12.9 (39.1cm × 38.1cm × 32.8cm)

Selling our home theater pair of Dynamo1000 powered wireless or wired connection subs. Cool thing is that the feet can be moved to make them front or down firing depending on your chose plus they come with carpet spikes or remove them . Nothing wrong with them at all. Just got 2 new SVS PB4000’s and my Anthem AVM70 can’t do 4 subs lie it’s big brother AVM90 can. Would like do local pickup here in Virginia due to weight and will drive up to 60 miles to meet or if you need shipping , I can check freight shipping as I believe postal services these days are a total rip off as I assume it would be about $120 to ship them and that could be too low a guess Specifications Specifications are subject to change without notice Frequency Response 22–200 Hz ±3dB; Anechoic through LFE effects input Impedance Line level RCA: 20,000 Ohms Compatible with 4, 6, or 8 Ohm rated amplifiers. Low Frequency Transducer 12 (30.5cm) high excursion, poly cone with extended throw drive assembly; sealed non-resonant cabinet design Amplifier 500 watts (1000 watts peak) Audio Controls Low Pass Filter Switch: Bypass (LFE In), Variable (Left and Right In) Low Pass Filter Frequency 35–120 Hz Resolution 16-bit Sampling Rate 48kHz Wireless Band 2.4GHz uncompressed digital self-sensing design constantly adjusts for best connection. Error Checking Bidirectional feedback constantly monitors integrity of data stream. Antenna Internal Subs Per Transmitter One Maximum Wireless Range 30–40 feet (10–12.5 meters) Wireless Receiver Built-in receiver (SWT-1 transmitter sold seperately) Inputs Left and Right/LFE RCA line level Power Draw Standby: 1W Idle: 15W Max: 650W Weight 34 lbs. (15.4 kg) Dimensions (down-firing orientation) 14.54 x 13.69 x 14.59 (36.9cm x 34.8cm x 37.1cm)

Martin Logan 700 subwoofer plate amplifier for parts or repair. Amplifier turns on, but turns off when sense the signal.

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Like new with no visible signs of use. Powers on and status light shows connection but no sound. Comes in the original box with power cord

Selling our home theater pair of Dynamo1000 powered wireless or wired connection subs. Cool thing is that the feet can be moved to make them front or down firing depending on your chose plus they come with carpet spikes or remove them . Nothing wrong with them at all. Just got 2 new SVS PB4000’s and my Anthem AVM70 can’t do 4 subs lie it’s big brother AVM90 can. Would like do local pickup here in Virginia due to weight and will drive up to 60 miles to meet or if you need shipping , I can check freight shipping as I believe postal services these days are a total rip off as I assume it would be about $120 to ship them and that could be too low a guess Specifications Specifications are subject to change without notice Frequency Response 22–200 Hz ±3dB; Anechoic through LFE effects input Impedance Line level RCA: 20,000 Ohms Compatible with 4, 6, or 8 Ohm rated amplifiers. Low Frequency Transducer 12 (30.5cm) high excursion, poly cone with extended throw drive assembly; sealed non-resonant cabinet design Amplifier 500 watts (1000 watts peak) Audio Controls Low Pass Filter Switch: Bypass (LFE In), Variable (Left and Right In) Low Pass Filter Frequency 35–120 Hz Resolution 16-bit Sampling Rate 48kHz Wireless Band 2.4GHz uncompressed digital self-sensing design constantly adjusts for best connection. Error Checking Bidirectional feedback constantly monitors integrity of data stream. Antenna Internal Subs Per Transmitter One Maximum Wireless Range 30–40 feet (10–12.5 meters) Wireless Receiver Built-in receiver (SWT-1 transmitter sold seperately) Inputs Left and Right/LFE RCA line level Power Draw Standby: 1W Idle: 15W Max: 650W Weight 34 lbs. (15.4 kg) Dimensions (down-firing orientation) 14.54 x 13.69 x 14.59 (36.9cm x 34.8cm x 37.1cm)

Martin Logan 700 subwoofer plate amplifier for parts or repair. Amplifier turns on, but turns off when sense the signal.

This subwoofer is in like new condition. It’s been owned for 1 year and sounds phenomenal. I’m only selling it because I’ve changed my entire home theater system and it doesn’t go with my new system. Enhance your audio experience with this powerful MartinLogan DYNAMO 600X wireless subwoofer. With a sleek black design, this rectangle-shaped subwoofer boasts a 10-inch driver size and 120 watts of RMS power. Connect seamlessly with Bluetooth/wireless connectivity and audio inputs such as USB and banana jack. This subwoofer is perfect for home audio enthusiasts who crave immersive sound quality. With its powered/active type, it's easy to set up and enjoy your favorite music or movies in no time. Don't settle for mediocre sound - elevate your audio setup with the MartinLogan DYNAMO 600X.

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Selling our home theater pair of Dynamo1000 powered wireless or wired connection subs. Cool thing is that the feet can be moved to make them front or down firing depending on your chose plus they come with carpet spikes or remove them . Nothing wrong with them at all. Just got 2 new SVS PB4000’s and my Anthem AVM70 can’t do 4 subs lie it’s big brother AVM90 can. Would like do local pickup here in Virginia due to weight and will drive up to 60 miles to meet or if you need shipping , I can check freight shipping as I believe postal services these days are a total rip off as I assume it would be about $120 to ship them and that could be too low a guess Specifications Specifications are subject to change without notice Frequency Response 22–200 Hz ±3dB; Anechoic through LFE effects input Impedance Line level RCA: 20,000 Ohms Compatible with 4, 6, or 8 Ohm rated amplifiers. Low Frequency Transducer 12 (30.5cm) high excursion, poly cone with extended throw drive assembly; sealed non-resonant cabinet design Amplifier 500 watts (1000 watts peak) Audio Controls Low Pass Filter Switch: Bypass (LFE In), Variable (Left and Right In) Low Pass Filter Frequency 35–120 Hz Resolution 16-bit Sampling Rate 48kHz Wireless Band 2.4GHz uncompressed digital self-sensing design constantly adjusts for best connection. Error Checking Bidirectional feedback constantly monitors integrity of data stream. Antenna Internal Subs Per Transmitter One Maximum Wireless Range 30–40 feet (10–12.5 meters) Wireless Receiver Built-in receiver (SWT-1 transmitter sold seperately) Inputs Left and Right/LFE RCA line level Power Draw Standby: 1W Idle: 15W Max: 650W Weight 34 lbs. (15.4 kg) Dimensions (down-firing orientation) 14.54 x 13.69 x 14.59 (36.9cm x 34.8cm x 37.1cm)

Very good condition Martin Logan Dynamo 800X. Ships in original packaging. One very minor nick in the finish, “see pictures.”

Martin Logan 700 subwoofer plate amplifier for parts or repair. Amplifier turns on, but turns off when sense the signal.

Like new with no visible signs of use. Powers on and status light shows connection but no sound. Comes in the original box with power cord

Store Home About Goldstar Tech Contact Us Customer Feedback View All Items Powered by Frooition Frooition | No-js Template | eBay design, eBay store design, eBay shop design, eBay template design, eBay listing design (ver:froo_no_js) This listing is currently undergoing maintenance, we apologise for any inconvenience caused.

This subwoofer is in like new condition. It’s been owned for 1 year and sounds phenomenal. I’m only selling it because I’ve changed my entire home theater system and it doesn’t go with my new system. Enhance your audio experience with this powerful MartinLogan DYNAMO 600X wireless subwoofer. With a sleek black design, this rectangle-shaped subwoofer boasts a 10-inch driver size and 120 watts of RMS power. Connect seamlessly with Bluetooth/wireless connectivity and audio inputs such as USB and banana jack. This subwoofer is perfect for home audio enthusiasts who crave immersive sound quality. With its powered/active type, it's easy to set up and enjoy your favorite music or movies in no time. Don't settle for mediocre sound - elevate your audio setup with the MartinLogan DYNAMO 600X.

powers on but doesnt output soundmissing one of the rubber feet on the bottom

MartinLogan DYNAMO 500 Powered Subwoofer, EXCELLENT! The first two pics are stock photos. The remainder of the pics reflect the actual item you will receive. CONDITION : Pre-owned, in EXCELLENT condition. Tested, work great. GREAT SOUND! Front firing. Dimensions : 15 deep, 13 wide, 14-1/2 tall (with feet attached). Weight : 29 lbs, 4 oz. Please see the pics for details. What you see is what you get. COLOR : black. DESCRIPTION : (information I found on the web about this unit) Compact, Affordable PerformanceNo other subwoofer offers Dynamo 500s bass extension, power, and detail at such an affordable price. Perfect for either home theater or stereo applications, the Dynamo 500 is solidly built with high-density materials to minimize cabinet resonance and provide a foundation for the high-output 10-inch woofer and high-current 120-watt RMS, 360-watt peak amplifier. Additionally, dual rear-mounted low-turbulence ports maximize bass output while minimizing port induced distortions. Whether you are looking for high performance bass to enhance your music experience or take your home theater system to the next level, a new Dynamo family subwoofer should be at the top of your list.t 120-watt RMS, 360-watt peak amplifier. Additionally, dual rear-mounted low-turbulence ports maximize bass output while minimizing port induced distortions.Low-Distortion 10-Inch WooferDynamo 500s high-resolution driver combines a 10-inch polypropylene cone with a high-intensity magnet structure to achieve huge excursion and output capability without sacrificing detail. By eliminating cone flexure, even at long voice-coil excursions, Dynamo 500s advanced-technology bass driver achieves the very low distortion necessary for proper blending with MartinLogan Folded Motion™ and electrostatic speakers.120-watt (360-watt peak) AmplifierDynamo 500s amplifier belongs to a recently-developed class of switch-mode designs that incorporate a variety of innovative techniques to reduce noise, distortion, and heat to the lowest possible levels. In particular, the switching frequency is much higher than in typical subwoofer amplifiers of this type, providing a tremendous true 120 watts continuously with extremely low distortion.Seamless System Integration - Engineered for Stereo and Home TheaterDynamo 500s connections and controls are designed to enable easy, seamless integration with any stereo music or multi-channel home theater system. Its main left and right line-level inputs feed into a precision low-pass filter with a cutoff frequency variable from 50 to 200 Hz. For systems in which a surround processor supplies the crossover, Dynamo 500 provides an LFE input low-pass filter switch that completely bypasses its internal filters.Dual Low-Turbulence PortsPorts are a convenient and cost-effective way of increasing low-frequency output. Dynamo 500s dual low-turbulence ports are carefully designed to provide superb low-end efficiency while minimizing port induced distortion. SHIPPING : FedEx Ground. The package weighs 32 lbs, 8 oz. (The package dimensions are 21x16x17.)(The cost of shipping is automatically calculated based on FedEx rates, the size and weight of the package, and your distance from Arizona.)

How about a nice healthy dose of MartinLogan bass? MartinLogans Dynamo 400 features a high-excursion 8 woofer driven by a highly efficient built-in Class D amplifier. This is the entry-level sub in MartinLogans 2018 Dynamo lineup, but it still delivers punchy bass down to 30 Hz thats deep enough to lend serious kick to movie and TV show special effects. Product highlights: frequency response: 30-200 Hz (3dB) built-in amplifier delivers 75 watts of continuous power (150 watts peak) 8 high-excursion polypropylene woofer with an inverted surround bass-reflex (ported) cabinet with down-firing woofer and slot port continuously variable low-pass 35-120 Hz crossover (back panel) level control (back panel) auto on/off switch (back panel) phase switch (back panel) RCA stereo/LFE line-level input speaker-level inputs satin black finish 13-5/16W x 15-1/4H x 13-3/4D weight: 28.5 lbs. Unit is in excellent condition

a piece of cable is stuck in the life port, see pics. theres also some cosmetic damageIntegrated Class D amplifierSupplies 120W RMS power for high volume levels and minimal distortion.Volume controlLets you match the subwoofers output to the rest of your sound system.InputsInclude RCA audio line-in and speakers input to provide flexible connectivity options.Bass reflex designDelivers thunderous low-end sound.27-200Hz frequency responseDelivers booming lows for an immersive soundscape.

MartinLogan Dynamo 700 Subwoofer - Black. - Sounds great as if it was brand new - slight scratches on the shell of the subwoofer- no rattling sounds at all -comes with power cord

Martin Logan 700 subwoofer plate amplifier for parts or repair. Amplifier turns on, but turns off when sense the signal.