General Motors Volley Volume Adjuster Controller Audio Amplifier Auto Accessories

Description:
▶ Universal car amplifier / speaker bass controller, regulator.
▶Two adjustment methods, 1 through gain adjustment 2 through frequency adjustment.

Specification:
1. Material: ABS
2. Voltage: 12 (V)
3. Weight: 55g

Packing list:
Audio conditioner*1