The Pyle PLMRA400 is a 4-channel, 400-watt marine amp takes both high and low level inputs, so it's compatible with a variety of head units and sources.
The Pyle PLMRA420 is a 4-channel, 1000-watt bridgeable marine amp takes both high and low level inputs, so it's compatible with a variety of head units and sou
The assembled printed circuit boards with SMD's clean layout is well thought out and structurally characterised in the small but effective power output.