Features of the 2 Channel stereo pre amplifier:
*Compact stylish design, mental case and aluminum front panel.
*Built-in DAC, Bluetooth preamplifier
*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 Blue-tooth 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.
Specifications of the HiFi Definition audio pre amplifier:
| Product name | Home use Hi-Fi audio stereo preamplifier |
| S/N | 85dB |
| Input sensitivity | 1.6V |
| Line level output | 2.5V RMS |
| Frequency response | 1--58K Hz |
| THD+N | <0.1% |
| Output noise | <0.1mV |
| Inputs | Bluetooth, Toslink(Optical),Stereo RCA, 3.5MM |
| Outputs | Stereo RCA Pre-out, Subwoofer output |
| Blue-tooth version | CSR V5.2, supporting aptX |
| Blue-tooth range | 10 meters, with external antenna |
| Standby | Power consumption below 0.5W,preamplifier goes into standby automatically when no signal 15 minutes. |
| Power voltage | DC12V / 1A |
| Dimension | 190*52*139 mm |
| Weight | 580g |
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 Blue-tooth or remote control, playback not working with the other inputs.
Pictures of the HiFi class D pre amplifier:
