BKVTR Universal Bass Knob with Volt Meter and Temperature Display, Remote Amp Trigger, Digital Voltmeter, Compatible with Most Head Units & amplifiers

All-in-One Monitoring and Control - The BKVTR integrates a digital voltmeter, temperature sensor, and remote level control into a single compact unit, enabling you to check voltage levels (10-15.9V) and temperatures (0°-125°C / 32°-257°F) in real time, helping to maintain your system's performance and safety. Seamless Integration - Built for versatility, the BKVTR suits both in-dash and under-dash setups, working well with most head units and amplifiers. Its sleek black ABS housing offers a great look while ensuring durability. Precision and Flexibility - Featuring a 16ft/5m temperature sensor cable and stereo RCA line level control, the BKVTR provides accurate amplifier gain and power adjustment, along with precise temperature readings from the amplifier heatsink, giving you full command over your audio system. User-Friendly Features - The numeric LED display is bright and simple to read, offering fast access to essential information. Functions such as voltage adjustment control, auto turn-on capability, and remote turn-on input/output make it straightforward to use and highly practical. Enhanced Performance - The BKVTR's remote amp trigger, rotary push turn on/off for amplifier remote, and voltage adjustment control for distance or cable compensation help your system perform at its peak, delivering the power and clarity you desire in your audio setup