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