Passive front-level controller, 2 signal selection input volume control, 1 signal output. The error is less than 1%

Balanced input and output 600Ω balanced volume controller to control the volume, the error is less than 1%

RCA 4-channel signal input selection + audio transformer+ volume control + 2-channel signal selection output passive front stage

12-step stepping 100K volume controller, stereo, the error between the two channels is far less than 1%

6×12 gear shunt stepping 100K volume tuning controller, stereo, the error between two channels is far less than 1%

The 12-step stepping 100K volume potentiometer of the voice is passive. The left and right errors are less than 1%.

2-pole 10-step switch 81-step volume potentiometer finished machine stereo two-channel error less than 1%

Accurate 12-step equal loudness volume control, accurate equal loudness compensation, error less than 1%

600Ω: 2400Ω RCA signal balanced signal input selection XLR balanced output passive pre-level audio converter

finished product of 81-step volume potentiometer composed of two 2-pole 10-step switches, stereo, two-channel error less than 1%

AD847 + reverse beam follower complementary power tube front-end headphone dual-use amplifier, pairing error is less than 2%

Two/three channels audio input selection, one channel audio output 10K: 10K signal transformer assembly passive switcher

15 times boost passive front-end converter, balanced and single-ended input selection, 15 times boosted single-ended output

American DALE resistor assembly high precision 4*24 gear 10K/50K/105K/250K/500K dual potentiometer,error less than 1%

4-way audio signal input switcher, 4-way signal selection, 1-way, passive front-end signal controller

DUAL-RIAA Phono Amplifier MM Phono Amplifier, recommended input voltage: 18-0-18VAC, no less than 15W transformer

TIATIAIANCOOLKEI Passive Banana Socket 2-in 2-out Amplifier to Speaker Audio Signal Input/Output Selection Switch

Passive 2-channel stereo 4-in 2-out audio input selection switch + volume control

TIATIAIANCOOLKEI Passive Banana Socket 2-in 2-out Amplifier to Speaker Audio Signal Input/Output Selection Switch

Passive pre - audio input output selection changer 2 sets of rca input conversion 4 sets of rca audio output

Convenient Sound Source Selection Splitters 2 Input 8 Output Passive Speaker Sound Switcher Box Black P9JD

Passive pre - audio input output selection changer 2 sets of rca input conversion 4 sets of rca audio output

M2EC Convenient Sound Source Selection Splitters 10 Input 2 Output Passive Speaker Sound Switcher Box Black

Selection Splitters 2 Input 8 Output Passive Speaker Sound Switcher Box

Y1UB Convenient Sound Source Selection Splitters 2 Input 8 Output Passive Speaker Sound Switcher Box Black

Plastic electronic meter elliptic gear transmission error is less than 0.5% (small flow meter two interface

High precision electronic meter oval gear oil gauge error is less than 0.5% (4 screw interface)

1PCS High precision 24 speed 50K100K250K500K stepper dual channel volume potentiometer with an error of less than 0.5%

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4 input and 2 out, passive amplifier, speaker selection, switcher, switcher, splitter, comparator, no loss of sound quality

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Квалифицированный ремонт гарнитуры, губчатые наушники для Arctis 3 5 7 чехлы для наушников, изолирующие шумопоглощающие