Photo 1 of Pyle 4-Channel Bluetooth Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Monoblock Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen PFMRA450BW

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Photo 1 of Pyle 4-Channel Bluetooth Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Monoblock Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen PFMRA450BWPhoto 2 of Pyle 4-Channel Bluetooth Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Monoblock Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen PFMRA450BW