Audio Proz Service and Sales


Pioneer R-1 CX Noise Decoder

Audio Proz Inv #: 61962

rear input level adjustments 220/330/650/1000/1350, front panel on/off w/ green LED CX indicator, RCA left and right ins/outs, good condition, silver face, dent on right side edge, condition # 8

$ 120  Contact Us  

Boss Cl-50 Pro

Audio Proz Inv #: 61963

1/2 rack space unit. Used - good #9 condition. Power supply : 12VAC 450ma

$ 140  Contact Us  

DBX IBX-DS

Audio Proz Inv #: 28040

Unit in excellent cosmetic condition. Transition level control, compression/expansion level control, impact recovery level, ambiance level, LED dynamics level meter, LED impact meter, compress/expand indicator, pre/post bypass, source/tape switches.

$ 140  Contact Us  

Furman LC-6

Audio Proz Inv #: 27743

Stereo Compressor/Gate in near mint condition. 2 channel compressor w/ channel link, each channel features input gain, gate threshold, attack, release, ratio, threshold, output gain, and gain reduction meter. Back panel features: Balanced I/O, RCA I/O, Side Chain I/O. Unit has seen low hours of use and it shows. It has excellent calibration channel to channel and is more of a volume ranging compressor as it does some "make up" gain automatically when compressing. Completely cleaned and calibrated.

$ 160  Contact Us  

Furman LC-3

Audio Proz Inv #: 27176

New in box! This unit functions as a compressor, limiter, and deesser. Input level, output level, attack, release, and compression ratio controls. Overload indicator, gain reduction meter, and pilot light. Professionally cleaned, serviced, and calibrated.

$ 160  Contact Us  


We are presently operating on an APPOINTMENT ONLY basis. Please call us first at (617) 926-8020 to schedule an appointment before you come into the shop for repairs, rentals, product recommendations, consultations, or anything other than minor purchases.


Samson S-Com Plus

Audio Proz Inv #: 32374

Compressor, new in box, stereo comp, gate, limiter, de-esser, very similar to the Behringer Composer

$ 165  Contact Us  

Art Pro VLA

Audio Proz Inv #: 50695

2 Channel Vactrol/ tube leveling amp, 2 TRS inputs/outputs, 2 XLR inputs/outputs, threshold, ratio, output controls, complete service, power supply mod 35V caps #9+ condition

$ 180  Contact Us  

DBX 166

Audio Proz Inv #: 63992

2 channel Compressor, one of the best. Modified P.S ground and shields on VCA, with Rack ears. Super high spec Calibration. Low use, all cleaned and calibrated. #9 condition  +- .5db over 80 db range compression 

$ 188  Contact Us  

DBX 166A

Audio Proz Inv #: 55205

Two channel compressor/ limiter Threshold/ Release Controls on Expander/ Late Threshold/ Ratio. Output gain on compressor Peakstop level on Limiter Contour/ Stereo Controls LED indicators, bypass control, #9 condition virtually unused. Minor rack rash.

$ 188  Contact Us  

Behringer MDX-1000 Autocom

Audio Proz Inv #: 17203

This is the older, more well built version compressor, actually a DBX 166 or 160x design (licensed to Behringer), with all controls and switches done better. I also correct a design flaw in these units (there is some sonic distortion and crosstalk of the controlling voltages into the VCA) and improve the power supply decoupling. Vince personally uses one of these units in his synth studio for final mix.

$ 200  Contact Us  

Behringer T1952 Tube Composer

Audio Proz Inv #: 41815

Vacuum Tube Processor, 2 channels, Gate/Expander, Comp/Limiter and Warmth controls, Ultra-low noise, QC check ok: all switches match with 1db on both channels

$ 208  Contact Us  


We have been selling and repairing professional and consumer audio equipment for over 40 years. (Read some of our customers testimonials here)

We keep our database up to date with almost 10,000 items in stock. If you see a part number and a price, we have that item in stock. 

Customers outside of the US, please note that international shipping can be costly (US Post $16 minimum - up to 8oz or 226g). We are glad to combine orders to reduce shipping costs. Take a look at our shipping policies for more information and estimates of prices and shipping time.


Behringer Intelligate XR 2000

Audio Proz Inv #: 34678

Excellent mint condition as new, with original box, packing, and manual. Great multifunction 2 channel gate, excellent spec.

$ 220  Contact Us  

FMR Audio RNC1773

Audio Proz Inv #: 48385

"Really Nice Compressor," with controls for threshold, ratio, attack, release, and gain. Bypass and "super nice" switches. The RMS digital detector circuit in this unit causes chattering and gulging noise in the audio, especially at low threshold settings. We modified the circuit to improve the audio quality and give the threshold control better range. Unit is now more accurate, releases fast and consistently, and compressed voice of instruments is cleaner and more detailed with subtle dynamics. Like new condition, with power supply and manual.

$ 240  Contact Us  

DBX 117

Audio Proz Inv #: 59427

Modified to do greater compression and expansion range. For studio use or consumer. Has old style metal shielded modules similar to old DBX 160 series RCA in out. but unit will operate sem pro +14db levels now.

$ 240  Contact Us  

ART VLA 500

Audio Proz Inv #: 58673

500 series format plug in. Top quality vactrol design. 10 (new) condition.

$ 248  Contact Us  

Behringer MDX-2100 Composer

Audio Proz Inv #: 26386

Composer Compressor, Has upgrade RMS detector mods. Super Low noise P.S. mods. Channel matching/compression calibration. Call for Details.

$ 280  Contact Us  

Symetrix 525

Audio Proz Inv #: 14570

Dual compressor, expander gate w/ compressor limit threshold output level, uses Valley People VCA modules, phone in and out, process loop in and out, new control installed.

$ 280  Contact Us  


Local customers, please do not come to the shop without calling ahead first - (617) 926-8020 - for an appointment, so that we can more efficiently help you with your equipment or sound recording needs.

We keep our database up to date with almost 10,000 items in stock. If you see a part number and a price, we have that item in stock. 

Customers outside of the US, please note that international shipping can be costly (US Post $16 minimum - up to 8oz or 226g). We are glad to combine orders to reduce shipping costs. Take a look at our shipping policies for more information and estimates of prices and shipping time.


Behringer Composer MDX2100

Audio Proz Inv #: 23554

Demo, compressor/limiter/expander/gate, 2 channel, XLR and 1/4" ins and outs, original like new, better built, better performance, excellent high accuracy compressor, channel matching for tracking is superb

Units vary in retail cost due to condition. Real nice, modified, low use units get more money. The simple fact is this era design compressor is the same as the DBX XT !! But I modify many designs with more R.F.I. suppression and less R.M.S. detector noise getting into the audio V.C.A. (check the internet if not familiar with the abbreviations) Simply put, mods make a slightly cleaner, better accuracy and control of compression of the audio signals. This is done to accommodate today's higher quality signals from microphones and the intense dynamics in modern music.


**We want to be your Behringer dealer! After being among first to champion this great manufacturer, we are offering our most competitive pricing to be your Behringer supplier.**

$ 300  Contact Us  

DBX 163x and 463x

Audio Proz Inv #: 50904

Compressor and noise gate pair mounted together in rack. Very good #8+ condition with many tiny minor scratches on ears and face.

$ 300  Contact Us  

Symetrix 522

Audio Proz Inv #: 27811

Limiter Compressor, 2 ch. Slave switch/external detector, RF earthing cap, minor upgrades, excellent condition. #9  Unit with Valley People VCA Modules---NPW Probably SOLD Similar unit available

$ 340  Contact Us  

Behringer Tube Composer T1952

Audio Proz Inv #: 42708

Unit has super spec controls. Two channels of expander/gate and compressor/limiter. Two 12AX7 tubes to add harmonic character. Both channels track within 0.5 db of each other! Up to 60db range of compression. Modified for more pleasing 2nd order harmonic enhanced sound. Demo unit, with box, packing and manual. Please call for details.

$ 340  Contact Us  

Symetrix 522

Audio Proz Inv #: 61364

Limiter, Ducker 2 channel, true balanced IC socketed op amp design. Uses Valley People VCA modules. Calibrated. Low use unit from Shop owners studio, No Rack Rash. #9 condition

$ 340  Contact Us  

Presonus ACP-22

Audio Proz Inv #: 42382

Stereo/2-chan compressor/limiter/noise gate. High spec spectral noise gates. Balanced XLR in/out, balanced 1/4" in/out with side chain. All controls and switches cleaned, all functions check ok! With Manual. #9 condition, minor rack rash.

$ 360  Contact Us  


All Remotes are now 25% off or Free Shipping!!!  (Reel to Reel remotes excluded).


Behringer T1952

Audio Proz Inv #: 51952

Stereo tube compressor. Super spec noise and calibration unit with minor AP-modifications of critical tube selection and internal calibration to allow "warmth control" to create in phase or out of phase perfect second harmonics of .2 to 1%. (Warmth meter will now read lower than original.) Noise mod in power supply. Excellent condition.

$ 360  Contact Us  

Presonus ACP-8

Audio Proz Inv #: 47226

Eight channel analog controlled dynamic processor, full function compressor and noise gate. Excellent #9 condition, one knob missing to be replaced with nonoriginal. Professionally cleaned, serviced, and tested.

$ 420  Contact Us