* Notice one rubber bumper is missing on the bottom of the unit This vintage stereo bass enhancer and subsonic filter from Realistic is a great addition to any audiophile's collection. With its walnut grained finish, it will add a touch of vintage style to any room. This model, the Realistic 42-2106, was made in Korea and is in great working condition. The brand is known for its high-quality audio equipment, and this model is no exception. It comes from a smoke-free home and has been well taken care of. Its custom bundle includes only what is shown in the pictures. This item falls under the categories of consumer electronics, vintage electronics, and vintage audio & video, making it a unique and sought-after piece.

PSB SubSonic 5i Sub Sonic 150w Powered Sub Used. See pics. Screen is pictured but will not be included. I do not know what is wrong with it....it will not power up. No returns...none. Flat shipping is $45. If it is much more I reserve the option to cancel. Do not buy this if you do not agree.

PSB SubSonic 5i 10 Powered Subwoofer 150w , in excellent condition (like new).Dimensions: 12-3/8 (W) x 17 (H) x 15 (D)Finish: Black Ash

Very good condition. Tested, working Some surface scratches, and on dent in faceplate. No other damage.

Tested & verified working. Some signs of use.

For sale is a Nice Pinnacle 12” 300w Powered Subwoofer. Has Rca and LFE input along with in/out speaker connections. Great addition to any home theatre or stereo system.

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This board was recently in a full assembly, and it powers on. The board would pass signal, but the volume would cut in and out, especially when turning the volume knob. I made no attempt to clean any of the switches or knobs. FOR REPAIR OR PARTS ONLY. NO RETURNS.

REALISTIC. STEREO BASS ENHANCER/SUBSONIC FILTER. NO. 42-2106. Used but in very good working order and great condition.

PSB SubSonic 5i Sub Sonic 150w Powered Sub Used. See pics. Screen is pictured but will not be included. I do not know what is wrong with it....it will not power up. No returns...none. Flat shipping is $45. If it is much more I reserve the option to cancel. Do not buy this if you do not agree.

Cerwin-Vega DB-10 Bass Excavator Subsonic Filter 30Hz- No Power Supply. I do not have a way to verify operation because I can’t find the power supply. Therefore selling as-is. No returns.

This AudioControl Octave stereo octave equalizer with subsonic filter has been tested and is in good working condition. It is ideal for fine-tuning sound in your home audio system. This particular model, the AudioControl Octave, is designed specifically for use with receivers and amplifiers. Two buttons are missing and some scratches are visible on top.

This AudioControl Octave stereo octave equalizer with subsonic filter has been tested and is in good working condition. It is ideal for fine-tuning sound in your home audio system. This particular model, the AudioControl Octave, is designed specifically for use with receivers and amplifiers. Two buttons are missing and some scratches are visible on top.

Worked when last used but hasny been used in a few years

VINTAGE Realistic 42-2106 STEREO Bass Enhancer Subsonic Filter.

AudioControl Octave Stereo Octave Equalizer with Subsonic Filter. Tested and works. N8ce and clean pre-owned conditions with minor shows of the use. Shipped with USPS Parcel Select Ground.

For sale is my last Pinnacle compact subwoofer. Mint condition. Only used a few hrs it’s entire life. Don’t have original box but will pack securely. This Pinnacle Subsonic powered subwoofer is the perfect addition to your home audio setup. With dual 6.5 woofers, this subwoofer delivers powerful and clear bass that will enhance your listening experience. It is compatible with all types of surround sound and features crossover frequency control, volume control, and a polarity reverse button. Made with wood, metal, and fabric materials, this subwoofer is durable and has a stylish black cube shape. It weighs 23 pounds and has brass isolation feet that provide stability and reduce vibration. The subwoofer has RCA subwoofer inputs and stereo speaker cable inputs for connectivity.

Up for sale is a Gently used Pinnacle Subsonic Subwoofer with dual 6.5 Drivers in Excellent Condition

This AudioControl Octave stereo octave equalizer with subsonic filter has been tested and is in good working condition. It is ideal for fine-tuning sound in your home audio system. This particular model, the AudioControl Octave, is designed specifically for use with receivers and amplifiers. Two buttons are missing and some scratches are visible on top.

Up for sale is a Gently used Pinnacle Subsonic Subwoofer with dual 6.5 Drivers in Excellent Condition

PSB SubSonic 5i Sub Sonic 150w Powered Sub Used. See pics. Screen is pictured but will not be included. I do not know what is wrong with it....it will not power up. No returns...none. Flat shipping is $45. If it is much more I reserve the option to cancel. Do not buy this if you do not agree.

VINTAGE Realistic 42-2106 STEREO Bass Enhancer Subsonic Filter.

Vintage Realistic Stereo Bass Enhancer / Subsonic Filter Model No. 42-2106 Good pre-owned condition. See photos as they are part of the description. Ships USPS Priority Mail.

Up for sale is a Gently used Pinnacle Subsonic Subwoofer with dual 6.5 Drivers in Excellent Condition