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Pro 2CH Pre-Amplifier

$ 229.00



If you are in the market for long lasting multiple use pre-amp that can be easily added to your audio system, to your mobile set up, recording studio or club venue the Pre50 from Technical Pro™ is the go-to choice for a professional 2 channel pre-amplifier. The engineers at Tpro built this unit with two things in mind, build it to last and design it to achieve the highest quality sound output. And indeed they did!

Connect up to 4 audio sources on the back panel using the RCA & AUX inputs. Connect a cd player, tuner, turntable or any other RCA input and switch between your sources by using the front panel controls.

The SD Card and USB flash drive inputs on the front panel of the PRE50, allow you to connect your portable audio directly to the pre-amplifier.

So what is so special about a USB flash drive / SD Card input? Like most of us, you probably have an ever-growing library of mp3 audio files on your computer or laptop that you want to listen to while sitting on the comfort of your couch. Have you ever tripped over a wire connected to your computer or laptop and then dive onto the floor to save it from crashing and breaking into pieces?


Model # PRE50
Dimensions 19'' L x 10.5'' W x 1.75'' H
Weight 4.5 lbs
Voltage 110/220v
MSRP $229
Inputs RCA (3 audio sources), AUX (1/8'') USB flash drive, SD Card
Outputs RCA (2 audio sources), balanced XLR
Mic Input Balanced XLR
Line Input 1/4"
Card Support USB & SD Card maximum size: 32GB
Playback .mp3, .wav, .wma files from USB drives and SD Cards
Records .wav files onto USB Flash Drive or SD Card from RCA inputs
128 kbps / 44.1 KHz sampling rate on .wav file recordings

We can all agree the fewer wires in our sound system the better. A USB flash drive / SD Card lets you carry around thousands of .mp3, .wav & .wma audio files in the palm of your hand. Simply connect the USB flash drive / SD Card to the computer and copy the files onto the USB flash drive / SD Card. Disconnect it from the computer and connect it to the PRE50 and the unit will automatically begin playing the files from the USB flash drive / SD Card. All while keeping your laptop perfectly safe.

The USB flash drive and SD Card can handle a maximum size of 32 GB & play your .mp3, .wav & .wma files from your USB flash drive or SD Card through this pre-amplifier. Playback features for the USB flash drive / SD Card inputs include play, repeat and random playback.

And you know the engineers at Technical Pro did not stop there. The USB flash drive and SD Card inputs can also capable of recording onto a USB flash drive or SD Card with empty space on it. That means you can record from the AUX or RCA inputs directly onto the USB flash drive / SD Card.

The microphone input on the front panel will accept a 1/4" or XLR connector. Each input (mic or RCA line input) provides a time based echo effect with adjustments for time and repeat. Find they perfect tone by using the bass, mid, treble and balance controls adjusting your sound to your desire. Having these dynamic controls available to you will give you the tools you need to adjust your music to sound perfect in any room or venue!

Easily integrated into any audio set up, use the RCA or balanced XLR outputs and connect this unit to any system. Plug in a set of headphones and preview your output and adjust your dynamic controls insuring the exact sound you want before sending it out to the audience. Use the tape monitor out and achieve a precise output to your recording device. Complete with a mono, mute, low cut, and loudness control adjust your frequencies based on your performer or your room design.

With a price that can’t be beat and a professional design that is synonymous with the name Technical Pro, the Pre50 is the best choice for a professional 2 channel pre-amplifier! Whether you are using this to record in your studio or in a live performance situation, you can feel secure you have all of the features you need built with a long lasting, rugged design!

Technical Pro’s groundbreaking new approach to industrial design incorporates advanced technology and striking good looks with rugged construction and a long list of features, providing years of audio enjoyment.


Click here to download a copy of this products Manual


Speakers are the backbone of every audio system. At Technical Pro we’ve worked with sound engineers to create the ideal speaker for every situation. Whether you’re playing music or making announcements, Technical Pro speakers perfectly deliver sound to send you on an audio adventure.

This product is built with the same quality found in all Technical Pro equipment ensuring it follows you from gig to gig over an extended lifespan. We stand by our work and every Technical Pro product comes with a one year warranty.

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