PAD4000.4 Digital Power Amplifier 4 Channel - MOSFET Switching Power

4-channel digital power amplifier. Pad4000.4. Key features: max power handling: 400 watt. Mosfet switching power. Efficient class d bridgeable design. Channel mode switch (st/4ch). Toroidal transformers. Full, hpf, bpf switch. Adjustable low and high pass frequency. Front and rear level controls. Line level outputs and inputs. Nickel-plated wire terminals and rca connectors. Stainless steel hardware. Protection: thermal, dc offset, reverse polarity and short circuit protection. Dimensions (with panels): 1.81'' inch height x 10.94'' inch width x 6.75'' inch depth. Manufacturer: polk audio. Bridgeable = yes. Channels - available = none. Waterproof rating = none. Watts = 400.