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Preamp-01-- Stereo pre amplifier

Small MOQ:500 PCS

FOB price:USD 40--90


Payment method:L/C,T/T,Western Union,Money Gram,Other(Cash, Alibaba Trade Assurance)

Supply capacity:Fifty thousand units one month

Period for dispatch:Shipped in 45 days after received 30% deposit

Conventional packing:carton /according to the customers requirements


Product Description:

What is the definition and purpose of the preamplifier?

A preamplifier (pre-amplifier) is an electronic amplifier that preparing a small electrical audio signal for further amplification or processing. It is used to drive the cable to the main instrument without significantly degrading SNR. Mainly the Preamplifier purpose switching between different line level source and applying a volume control , then the second power amplifier providing high current to passive speaker.Not only the noise can be minimal, but also the pre-amp can act as a buffer amplifier and signal switch processor between your souce and the main amp.

Through the help of the preamplifier and main power amp , the sound is altered quality and much louder, improve the overall sound quality.


Our new designed Preamp-01 preamplifier compact stylish appearance, using various recently home audio technologies that help a high level of performance that can be described as astounding.

Intended for seeking high-performance in an elegant , the Preamp-01 leaves your music uncolored and free of any gain or noise, the purity of the signal remains uncompromised, allowing the music to be heardas was intended from day it was recorded.



Features of the stereo preamplifier:

*Compact stylish design, mental case and aluminum front panel.

*Built-in DAC, Bluetooth capability

*Various Inputs including Toslink Optical, stereo RCA, 3.5mm audio 

*Output: Subwoofer output, RCA pre-out

*Optical in accepts up to 192kb,24bit

*Support backplay, both remote control and front selector control functions

*Remote control with discrete ON/OFF power buttons

*0.5W standby power consumption meets Energy Star specification

*Preamplifier antenna for better Bluetooth transmitter

*Bluetooth range 10 meters, with re-paring automatically

*Ultra rigid chassis construction to minimize the effects of external vibrations

*Available in black and silver finish, OEM welcome.




We are professional audio products manufacture for 10 years.

Our R&D team dedicated to the creation of new and innovative products,can fulfill our customers’ specialized OEM orders. 



We have several experienced engineers to meet your demands,make your ideas to the real products!

1).Shells ----make different Logo,Color,Print,etc. for shells;
2).Solution ----make products with different functions;
3).Accessories ----make products with different language manual,port etc;

4).Other Requirements.Just Contact me.Skype:vistronaudio


We pay attention to High Quality.

All raw materials and accessories must be tested before entering production facilities.

Mass production will begin only if the products have been tested and have passed inspection.

During mass production, personnel will periodically check products to ensure randomized testing.

Before shipping,our QC will check it again strictly to ensure the High Quality.

All products 100% QC before shipment.

Warranty & Return

We offer one-year warranty for our products.

As long as there's no man-made problem, usually we can just add some pieces in your next order.


Professional service

best production capability ,best quality control, Best Service .

What we can provide to you is not only  just the products,but also the satisfying service.

Well-trained and experienced staffs to answer all your questions in time.

Technical Parameter:

Specifications of the stereo audio preamplifier:

Product name


Home use Hi-Fi audio stereo preamplifier






Input sensitivity




Line level output


2.5V RMS


Frequency response


1--58K Hz






Output noise






Bluetooth, Toslink(Optical),Stereo RCA, 3.5MM




Stereo RCA Pre-out, Subwoofer output


Bluetooth version


CSR V4.0, supporting aptX


Bluetooth range


10 meters, with external antenna




Power consumption below 0.5W,preamplifier goes into standby automatically when no signal 15 minutes.


Power voltage


DC12V / 1A




190*52*139 mm







Operations guide for the preamplifier:

1. Connect the audio source devices to the respective inputs on the PREAMP-01 and active speakers or a power amplifier to the pre-out terminals.

2. Connect power cord to the PREAMP-01's power connector

3. Turn the power button at the rear of preamplifier to ON, the units starts to standby in two seconds, then into the last input signal mode.

4. Turn on the source device and select corresponding input with the remote control or with the preamp inout selector on front panel.

You can control backplay by Bluetooth or remote control, playback not working with the other inputs.


Bluetooth pairing guide:

1. Start the preamplifier and press the remote Bluetooth button

2. Start Bluetooth application on your mobile device and start search for Bluetooth devices.

3. "PREAMP-01" apperas in the list of your device. Select it and they are paired. No need password.


* Only one device can be connected at a time

* It can be still connected when switch back to Bluetooth input mode if your device BT still opening.

* Bluetooth is perfectly compatible with iOS/Android/Windows device.