Model : ZD 2500 ▪ 5 Channel Amplifier ▪ 3000 Watt ▪ Class D 1 Ohm Stable for 5TH Channel ▪ PWM Mosfet Power Supply ▪ 2 Ohm Stable ▪ Variable High Pass Filter ▪ Variable Low Pass Filter ▪ Tri Mode Capability ▪ Bass Boost Control ▪ Soft - Start Delay Turn - On Circuit ▪ Automatic Remote On / Off Switching ▪ Transparent Power & Speaker Terminals ▪ Power On and Protect LED Indicating ▪ Thermal, Overload, Short Circuit and DC OFF - Set Protection ▪ Optional Wired Remote.
Sub + box :
MA Audio MA121XQ 12" High Performance Dual 4 Ohm (Sold Single/ Not Pairs) Specifications : ▪ 350 Watts RMS ▪ 700 Watts Max ▪ Dual 4-ohm Voice Coils ▪ 150 oz. Single Magnet ▪ Optimum Vented Box: 2 cu/ft ▪ Round Port Diameter: (2) 4" ▪ Square Port Area: 25 sq/in ▪ Port Length: 15.5" ▪ Optimum Sealed Box: 0.75 - 1.25 cu/ft.