4X Passive Volume Controller Passive Preamp Active Speaker Volume Adjustment Controller Professional Audio Equipment

4X Passive Volume Controller Passive Preamp Active Speaker Volume Adjustment Controller Professional Audio Equipment leírása

Features: This volume control allows you to adjust the volume of your speakers effortlessly. Its RCA interface ensures lossless output, allowing you to enjoy your favorite music without any signal degradation. With its passive design, it eliminates the need for an external power supply, making it incredibly convenient.
The volume adjustment adopts a professional 128mm pusher volume , which has a small accuracy error and better synchronization of the left and right channels, with no loss of sound details.
The appearance is made of all metal materials, with a precision steel casing. The compact size is suitable for any system and is compatible with all types of playback devices and external active speakers.

Specifications:
Input Channel: Supports 1 set of stereo lotus interface inputs
Output Channel: Supports 1 set of stereo lotus interface output
Volume Adjustment: Using a professional 128mm push
Signal to Noise Ratio S/N: Greater than 98dB
Output Gain: 0dB
Output Loss: Less than 0.01dB
Distortion: Less than 0.002%
Frequency Response: 10Hz-50kHz
Input and Output Impedance: 10-50kΩ
Input/Output Interface: The input/output adopts a gold-plated lotus interface
Power supply: No external power supply required, directly plugged in for use.
Material: Metal
colour: black

Package Contents:
4 x Passive Volume Controller