Pyle 4 Channel Car Stereo Amplifier - 4000W High Power 4-Channel Bridgeable Audio Sound Auto Small Speaker Amp Box w/ MOSFET, Crossover, Bass Boost Control, Silver Plated RCA Input Output -PLA4478

Pyramid 2 Channel Car Stereo Amplifier - 1000W Dual Channel Bridgeable High Power MOSFET Audio Sound Auto Small Speaker Amp Box w/ Crossover, Variable Gain Control, RCA IN/OUT, LED Indicators PB717X

Pyle 2-Channel Marine Amplifier Receiver - Waterproof and Weatherproof Audio Subwoofer for Boat Stereo Speaker & Other Watercraft - 400 Watt Power, Wired RCA, AUX and MP3 Audio Input Cable PLMRMP1B

Pyle Hydra Marine Amplifier Upgraded Elite Series 400 Watt 2 Channel Bridgeable Audio Amplifier- Waterproof, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator - PLMRA200

Pyle Hydra Marine Amplifier - Upgraded Elite Series 3000 Watt 8 Channel Bridgeable Amp Tri-Mode Configurable, Waterproof, MOSFET Power Supply, GAIN Level Controls and RCA Stereo Input - PLMRA820

Pyle Hydra Marine Amplifier - Upgraded Elite Series 240 Watt 4 Channel Audio Amplifier - Waterproof, 4-8 Ohm Impendance, GAIN Level Controls, RCA Stereo Input & LED Indicator (PLMRA120)

Pyle Home Bass Boosting Portable Headphone Amplifier-Mini Headphone Booster w/ Volume Adjustment, Rechargeable Battery, Metal Casing, USB/Stereo Cables, Works w/ iPod, MP3, Laptop, Mobile Phone PHE5AB

Pyramid High Low-Level Impedance Adaptor - Car Audio System RCA Line Output Converter Adapter w/ Adjustable Level Control - Works on Vehicle Amplifier, Equalizer, Home Theater Setup - Pyramid NS60

Pyle Dual 7.7'' Water Resistant Marine Speakers, 2-Way Full Range Stereo Sound, 280 Watt, White (Pair)

Pyle 6 Channel Marine Amplifier Receiver - Waterproof Wireless Bridgeable Audio Amp for Stereo Speaker with 2000 Watt Power Dual MOSFET Supply, GAIN Level, RCA Inputs and LED Indicator - PLMRA620