Do you have a line level source (TV audio, MP3 player, video game, telephone, tablet, computer, record player, etc.) just the sound is not loud enough / the volume is not enough? A powerful signal amplifier receiver or volume control just to your other sources? Or should you run a long line between the TV audio line and the receiver on the other side of the room, providing high gain through each line level source so that longer cable runs or that "buffering" to solve low capacity problem.
You can use it to add volume control between the line level signal source and the power amplifier, and the RCA jack matches almost all other product interfaces.
In the aspect of controlling the sound quality amplification of the signal, it can increase the sound and the bottom sound is small, and the dynamic range will not produce the sonic boom. The volume is controlled by the sensitivity adjustment knob.
The output part of the headphone hole on the front of the product can drive 16Ω-600Ω headset. The sound quality is without loss and distortion.
The circuit part of the product adopts OP + BUG structure and uses AC AC9V transformer power supply ensuring full thrust, sound fullness, bass calm, high frequency clarity.
Characteristics:
Input impedance: 100 k Ohm
Maximum input level: 14 dBV
Output impedance: 47 ohms per output channel
Frequency range: 20 Hz-20 kHz
Signal-to-noise ratio:> 107dB
Total harmonic distortion: <0.08%
Intermodulation distortion: <0.01%
Input: stereo 3.5mm jack and RCA
Output port: input: stereo 3.5mm jack and RCA
Product power supply: AC9V
Net weight: 0.24 kg
Product weight after packaging: 0.54 kg
Product size: length 95mm X width 98mm X height 30mm
Packaging: length 200 mm X width 180 mm X Height 55 mm