The Pyle Elite Series Bluetooth Amps provide waterproof power for all of your speaker needs. The marine grade waterproof construction and high-power efficiency ratings provide performance and reliability -- rain or shine! These multi-channel bridgeable amplifiers are perfect for the back yard, boat or even by the pool! Features include Bluetooth wireless music streaming ability. They work with all of your favorite devices and you will be able to instantly stream your favorite songs or internet radio service providers, quickly and easily (Compatible with iPhones, Androids, Smartphones, iPad, Tablets, MP3 Players, etc.). Additional features include MOSFET power supplies, built-in electronic circuitry protection, heavy-duty aluminum heat sinks and more. Enjoy versatile waterproof performance and next level sound amplification with the Pyle Elite Series Bluetooth Amps. (Models: PLMRA210BT, PLMRA410BT, PLMRA430BT, PLMRA630BT, PLMRA830BT). DETAILSFeatures: 8-Channel Amplifier System Built-in Bluetooth Receiver for Wireless Music Streaming Tri-Mode Configurable & Bridge Mode Ability 2 Ohm Stereo Stable MOSFET Power Supply Marine Grade Construction Weatherproof & Water Resistant Hi/Lo Electronic Crossover Network Adjustable Input GAIN Level Controls RCA (L/R) Input Connector Jacks Variable High Pass, Low Pass & Bass Boost Controls Remote Bass Boost Controller Connector Jack Silver-Plated Speaker Output Terminal Connectors Anti-Thump Delay Circuitry Power & Protection LED Indicators Built-in Thermal, Overload & Speaker Short Protection Heavy Duty Aluminum Alloy Heatsink Remote Turn ON/OFF Bluetooth Connectivity: Smart Auto Connect: Remembers Device Pairing Info Compatible with All of Your Favorite Bluetooth Devices (iPhone, Androids, Smartphones, iPad, Tablets, etc.) Bluetooth Network Name: ‘Pyle Amp’ Bluetooth Version: 2.1 Wireless Audio Range: 25’+ ft. Technical Specs: 6 x 100W + 2 x 250W RMS @ 4 Ohms 6 x 250W + 2 x 500W MAX @ 4 Ohms 6 x 175W + 2 x 400W RMS @ 2 Ohms 6 x 350W + 1 x 800W MAX @ 2 Ohms Bluetooth Version: 2.1 Marine Grade Rating: IP-01 Frequency Response: 15Hz - 30kHz Input Impedance: 10k Ohm Input Sensitivity: 250mV Variable Bass Boost: 0 - 18dB @ 60Hz S/N Ratio: >95dB T.H.D.: