Usage Tips:1Seamless Compatibility: This wire control is designed for TS WX110A TS WX120A car subwoofers, providing a seamless sound experience, allowing for easy DIY installation. 2Clear Indication: Equipped with a phase switch and power indicator light, this car speaker wire control provides a clear display of the working status. The power indicator light allows for easy monitoring of the operational status at a glance. 3Frequency Control: With frequency control adjustment, this line controller enables you to adjust the frequency levels to restore them to the correct range when deviations occur. 4Adjustable Input Gain: The car stereo wire control supports input gain adjustment, allowing you to easily adjust the volume level according to your preference. 5Robust Construction: Constructed with sturdy ABS material, this car stereo wire control is built to last. The reliable design makes it ideal for long term use. Item Type: Car Stereo Wire Control Material: ABS Application: for TS WX110A, for TS WX120A 1 x Car Stereo Wire Control