BRZHIFI L1B HiFi Pure Class A Preamplifier Home Audio 2.1 Channel Bass Treble Independent Control Preamp Subwoofer Receiver（Black）($134.99Value)

Description

【INDEPENDENT TREBLE, BASS AND SUBWOOFER CONTROLS】L1B is a Mini Hi-Fi Home Audio Preamplifier. Knob type switch and sound source selection, LED signal channel indication, Treble bass independent control, SUB Low frequency output, Bypass design, straight-through audio regulation, switch control. 【QUALCOMM 5.0B T+PCM5102 INDEPENDENT DECODING】The QCC3034 chip supports SBC/AAC/APTX/APTX-HD, and when matched with PCM5102, it achieves efficient transmission and precise decoding in audio transmission. 【LEAVE ROOM FOR UPGRADES】Replaceable operating amp base, The chip uses 5532 * 4, High precision operational amplifier design, Rich voice selection. 【ELECTRIC POWER SUPPLY PLAN】linear power supply, Smooth to wirelessly nearly as pure as batteries. Pure class A plus or minus voltage multilevel Independent rectification filtering And anti-jamming circuit design,Constant power, stable output. 【AUDIO SIGNAL INPUT AND OUTPUT】It has two wired RCA inputs + one B T input, and one full-range RCA output + one low-frequency RCA output. It can be connected to active speakers, loudspeakers, ear amplifiers, power amplifiers and other equipment. The SUB Bass output provides pure low-frequency signal output and can be connected to active subwoofers. PRODUCT PARAMETER
Model:L1B
BT: Qualcomm 5.0B T+PCM5102 independent decoding
BT protocol support: SBC,AAC,APTX,APTX-HD
Frequency response range:20 Hz-50 kHz
Low frequency output range:5 Hz-180 Hz
Input resistance: 50k
The output resistance: 600 Ω
Signal-to-noise ratio:116 dB @1 kHz
Distortion:0.003%-1 kHz
L1B op amp: 5532*4
voltage: AC110V
Size:240×150×47 mm(L×W×H)
Product Weight:1.5 KG