Alliance VL4000D Single-Din - Adjustable mounting depth is

- Adjustable mounting depth is easily modifiable using the supplied rings used to clamp the surface of the mounting area

-Thermal Protection: Yes

- Sensitivity 83

-Infrasonic Filter: 10-50Hz

This will ensure the perfect fitment of your custom wheel

Alliance VL4000D Single-Din - Adjustable mounting depth is1 x 1000W RMS @ 1W1 x 500W RMS @ 2W1 x 250W RMS @ 4W Remote Bass Knob Frequency Response: 15Hz 250Hz SNR: 95dB Input Sensitivity: 0. 2V to 9V Damping Factor: 150 Operating Voltage: 9V to 16V High Pass Filter: 10Hz to 50Hz Low Pass Filter: 50Hz to 220Hz Max Current Draw: 115A Music Current Draw: 60A Dimensions: 5. 8"W x 10. 1"L x 1. 9"H