SPECIFICATIONS

Product Introduction:

The F9 Preamplifier is designed to meet the requirements of HIFI front-end and multifunctional lossless decoder, with the following features:
1.Imported NJW1194 low distortion front-end core, the output noise voltage of NJW1194 is only -117dBVtyp (1.41 μ Vrms), with a distortion rate of only 0.0015% typ (Vin=2Vrms, VOL=0dB), excellent performance, can achieve excellent sound quality.
2..imitation wheat scene pointer TFT display screen. It can dynamically display pointer swing and has 7 sensitivity settings that can be selected from the remote control. And it can display volume, high and low frequency information, input channel and other information.
3.Bluetooth 5.3 function, convenient for connecting to mobile phones. And with PCM5102 lossless decoding output.
4.with USB player, capable of playing lossless music from USB drive, and supports APP selection on mobile phone
5.with volume adjustment, independent adjustment of high and low frequencies, 3 channels of AUX analog input, 1 channel of AUX output
6.full-featured infrared remote control, also adjustable manually with a knob.
7.default dual precision 5532DD operational amplifier with socket for easy upgrade
8.Board Size:110*88*30mm
9.Supply Voltage:DC 7~15V DC Interface 5.5/2.5
10.Accessories:Remote Control*1

Product Highlights：

●Imported NJW1194 low distortion preamplifier core.
● 2.4 inch true color TFT pointer display
●Bluetooth 5.3 independent decoding,24bit U disk player
●full-function infrared remote control.manual duai mode.

Matters Needing Attention:

1.When using Bluetooth, please unplug the USB flash drive as it plays first
2.different audio sources and music have different sensitivities. In order to better display the pointer swing effect, the sensitivity button on the remote control can be adjusted, and the display screen will correspond to GO-G7. The larger the number, the higher the sensitivity.

How To Use:

●High and low frequency adjustment: Press the main knob, and the blue dot will point to T or B on the display screen. T represents high frequency, B represents low frequency, and then rotate the knob to adjust. You can also use the remote control to adjust, for example, to adjust the treble, press the treble button and then adjust the volume on the remote control.
●To use a USB flash drive, connect it to the back, press the button, and the blue dot on the display screen will switch to the input selection location in the lower right corner. Then rotate the volume knob to switch to the desired channel. At this point, the display screen will show U-BISK
●Bluetooth usage: Refer to the input switch on the USB flash drive, and the display screen will show BLUE. Simply pair your phone with the link.