Audio Proz Service and Sales


BSR SE-ONE Spatial Enhancer

Audio Proz Inv #: 46870

Very clever phase correction and enhancement device for equalization and fattening. Unit creates a wide and thick stereo enhanced image. RCA in/out. Excellent #9 condition, professionally cleaned, serviced, tested.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

DBX II Model 128 DBX II

Audio Proz Inv #: 47112

Dynamic range enhancer and noise reduction system. Compress/expand/pre/post controls, Record/bypass/play for noise reduction, tape/disc selection, play level matching, lever/threshold controls. Professionally cleaned, serviced, tested. Condition: 9

SOLD  Contact Us  

Contact us about similar items or replacement parts.

DBX 1BX-DS

Audio Proz Inv #: 47172

Impact restoration and signal expander/compressor. Excellent #9+ condition, professionally serviced and tested. With rack ears included.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

EPROM V1.22 update

Audio Proz Inv #: 47588

Update from TSR 24 Version 1.22 to 72-3076-01 v1.22. new old stock

$ 34  Contact Us  

ART 16x2 display

Audio Proz Inv #: 47602

used in most ART products of the '80's and '90's, including SGX, DRX, LT, and Multiverb. New old stock.

$ 32  Contact Us  


FYI, Around the database you will often see us describe the condition of units on a scale of 1-10. #10 would mean the product is new from one of our suppliers, such as Behringer, Audio Technica, etc. #9 means the product is in perfect condition but is used, #8 implies there are some minor cosmetic scratches but unit is mechanically perfect, and so on and so forth.


MXR-131 foot controller

Audio Proz Inv #: 47622

5-switch ADA metal chassis modified to control an MXR M-131 Pitch Transposer. Four pitch shift preset buttons and one bypass button. Uses standard shielded 1/4" cable. Excellent condition, previously used only in Vince's personal studio.

$ 140  Contact Us  

Presonus Eureka

Audio Proz Inv #: 47694

Mic preamp/compressor/parametric EQ. Demo unit, engineering sample. Excellent #9 condition with some minor scratches on top and bottom of case.

Contact Us  Contact Us  

ART Multiverb master program chip

Audio Proz Inv #: 47771

Early version program chip, known to be working. v1.12

$ 22  Contact Us  

BBE 402 Sonic Maximizer

Audio Proz Inv #: 47875

Audio enhancement processor for improvement of low and high frequency dynamics and detail. Pro and consumer version with phone and RCA ins/outs. Nice, subtle audiophile effect considered better than the newer version (Vince agrees!). Very good #8+ condition with some minor scratches on top and rack ears. Completely cleaned, serviced, calibrated, tested. 1 rack size.

$ 168  Contact Us  

DigiTech 944 Chain Reaction

Audio Proz Inv #: 48242

Digital multi effects unit: distortion, flanger, chorus, delay, parametric EQ. Unit has very unusual distortion and delay character, very zippy and fuzzy. No remote switch, all effects on by default. Excellent #9 condition with some minor scratches on bottom.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

Joe Meek Pro Channel VC3

Audio Proz Inv #: 48394

Microphone preamp, compressor, enhancer. Like new condition with manual and power supply, all cleaned and tested.

$ 180  Contact Us  


We know you have many options for purchasing audio equipment and parts, and we truly appreciate your business.  We strive to offer good products at competitive prices.  While we can't always match the prices of one isolated reseller, we make up for it by carefully selecting, testing, and finding unique and special rare parts, and we are here for the long run.  We guarantee everything we sell and we hope it helps you to enjoy a great listening experience.

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.


Roland GR-33 guitar synthesizer

Audio Proz Inv #: 48407

Multi function foot control synth processor. With manuals and GR multi pin cable. Mint condition in box and packing.

$ 280  Contact Us  

ART Pro Channel

Audio Proz Inv #: 48534

Tube mic preamp/compressor/equalizer. Super spec QC. Highly recommended machine! New stock. Super spec machine!

SOLD  Contact Us  

Contact us about similar items or replacement parts.

ART Pro Channel

Audio Proz Inv #: 48537

Tube mic preamp/compressor/equalizer. AUDIO PRO MODIFIED: Tube Harmonic T.H.E. Bias control transformer in Vactrol EQ Mod. Highly recommended, Super noise spec machine!  QC, Test All. #10 new in box

$ 568  Contact Us  

Amek System 9098

Audio Proz Inv #: 48664

High performance, solid state design, single channel, one rack space unit. Microphone preamp and equalizer can be used independently. All connections are balanced XLR. Excellent #9+ mint condition, includes manual, original box & packing.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

Electro Harmonix Voice Box

Audio Proz Inv #: 49165

Very versatile and useful voice processor pedal with harmony machine and vocoder. Many functions, very nicely done sound. New, QC by AP.

$ 218  Contact Us  

Electro Harmonix v256 Vocoder

Audio Proz Inv #: 49166

Awesome sounding, very shapeable vocoder, with "reflex tune" function. New, QC by AP.

$ 218  Contact Us  


We are a very different kind of shop. To help ensure a smoother experience please read our letter about our current shop policies.

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.


DBX 120A

Audio Proz Inv #: 49250

Subharmonic synthesizer with modeled waveform synthesis. Four bands of tunable harmonic enhancement, excellent for hifi systems. Excellent #9 condition.

$ 188  Contact Us  

Rocktron Pro Chorus service

Audio Proz Inv #: 50114

We can do full servicing and updates for this device. We calibrate carefully, check all parts, and update for lower noise and more reliable operation. Average, typical repair with modification is $88 to $132 including all parts and return shipping. Please call for details.

Contact Us  Contact Us  

Aphex Aural Exciter Type C

Audio Proz Inv #: 50891

Stereo processor. Adjustable drive, tune, and mix. RCA and phone in/out. Excellent condition with very minor rack wear.

$ 68  Contact Us  

Lexicon Reflex MIDI Reverberator

Audio Proz Inv #: 50894

Dual channel with 1/4" inputs and outputs and input mix and output level controls. Very good condition with heavy scratches on bottom left hand corner. Fully serviced, full functional check.

$ 88  Contact Us  

Digitech IPS-33B

Audio Proz Inv #: 50926

Super harmony machine. Excellent condition.

$ 188  Contact Us  

Korg DT-1 Pro guitar tuner

Audio Proz Inv #: 50935

Rackmount digital guitar tuner. Four inputs, four outputs, all 1/4" phone. LED scale -50dB to +50dB. Very good condition, includes rack ears, power cord spliced to 3' length.

$ 80  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.


Digitech Control One

Audio Proz Inv #: 51259

Floor foot switcher for 2112 preamp. Excellent #9 condition, includes MIDI cable.

$ 88  Contact Us  

Yamaha PG1

Audio Proz Inv #: 51594

Guitar Preamp Equalizer. Rackmount, black face, parametric EQ, unit with two phone inputs and headphone output on front panel. Very nice condition with some typical scratches at rack mounts. AP installed better Accutronics three spring reverb pan. Fully serviced and tested, guaranteed.

$ 330  Contact Us