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L1B Pure Class A HiFi Audio Power Preamplifier 2.1 Channel High and Bass Independent Control Bluetooth 5.0 Decoding Receiver,for Home/Subwoofers(Silver)

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$119.99

$ 51 .99 $51.99

In Stock

1.Color:Silver


  • 【HIGH AND BASS INDEPENDENT CONTROL LINEAR CLASS A POWER SUPPLY SYSTEM OBVIOUS LIFTING EFFECT】Knob type switch and sound source selection,LED signal channel indication High, bass independent control, SUB Low frequency output, Wayward design, straight-through audio regulation, switch control.
  • 【A RADICAL CHANGE FROM THE INSIDE OUT PURE CLASS A PREAMPLIFIER CIRCUIT.UPGRADABLE DUAL OP AMP UNIT.PROFESSIONAL GRADE LINEAR POWER SUPPLY】Wide frequency response, smooth and resistant to hearing,Low frequency thick induction sense, dynamic response, detail,Density, comfort, easy to listen to natural, ls a very affordable preamplifier
  • 【LEAVE ROOM FOR UPGRADES】Replaceable operating amp base,High precision operational amplifier design.Rich voice selection.
  • 【LINEAR POWER SUPPLY】Smooth to wirelessly nearly as pure as batteries,As if the flawless effect of an ideal state,The fundamental building blocks of high quality audio.
  • 【ELECTRIC POWERSUPPLY PLAN】Pure class A plus or minus Voltage multilevel Independent rectification filtering And anti-jamming circuit design,Constant power, stable output.


Product Description

BRZHIFI L1B Pure Class A 2.1 Channel Preamplifier

BRZHIFI L1B Pure Class A 2.1 Channel Preamplifier

The upgrade space is reserved

LEAVE ROOM FOR UPGRADES

Replaceable operating amp base.High precision operational amplifier design,Rich voice selection.

Linear power supply

LINEAR POWER SUPPLY

Smooth to wirelessly nearly as pure as batteries,As if the flawiess effectof an ideal state,The fundamental building blocks of high quality audio.

Power supply scheme

ELECTRIC POWER SUPPLY PLAN

Pure class A plus or minus Voitage multilevel Independent rectification filtering And anti-jamming circuit design, Constant power, stable output.

Preamplifier

A TRANSFORMATION FROM THE INSIDE OUT RADICAL CHANGE

The frequency response is wide, smooth and easy to hear, the low frequency is thick and the sense of substitution is strong, and the dynamic response detail density is comfortable Easy to listen to natural, is a highly rated pre-audio amplifier.

PRODUCT PARAMETER

Model L1B
BT protocol support SBC,AAC
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
Size 240×150×47 mm(L×W×H)
Product Weight 1.5 KG