he F4 front stage is a HIFI class front stage specially designed to match pure power amplifiers and active speakers.

It has 3 audio inputs, 1 Bluetooth 5.0 input and 1 audio output.

The core module is NJW1194 digital module.

The whole machine adopts aluminum alloy shell.

With HD OLED display and full-function infrared remote control, the separation degree reaches -12ODB. Low distortion (0.0015% TYP) and up to 10dB improvement for bass and high pitch.

In addition, a high-speed intelligent MCU controller is built in to achieve optimal parameter adjustment and real-time operation.

Before the grade tone dyeing is very low, the sound quality is transparent, the low frequency intensity is very good, the high frequency extension and the detail performance is excellent, the voice is also very good to listen to.

Parameters
Input channel: 3-channel analog RCA+ 1-channel Bluetooth 5.0
Output channel :1 analog RCA
Degrees of separation: – 120 db
High and bass adjustment range :+-10dB
Distortion :0.0015% TYp. (Vin=2Vrms, VOL=OdB)
Machine size :132X42x109mm