Kicker 51KBTR Bluetooth Powersport Receiver + Kicker 48KMA6004 (KMA600.4) 4x150W Weather-Resistant Amp Bundle

Complete audio bundle for powersports and marine applications pairing the KICKER 51KBTR Bluetooth receiver with the Kicker 48KMA6004 KMA600.4 4x150w, 4-channel weather-resistant full-range amplifier. The compact 51KBTR provides wireless streaming plus wired inputs — USB and AUX — and offers Left, Right and dedicated Sub RCA outputs for flexible system integration. Built to endure outdoor conditions with IP66-rated construction, it also includes a line output and remote turn-on output to simplify expansion. 51KBTR receiver key specs: Bluetooth Range: 60 ft. Frequency Response: 20 Hz - 20 kHz +/- 1 dB. Input Sensitivity: 1.0 V - RCA. Output Voltage: 4V. Subwoofer RCA Output: 100Hz low-pass, 12dB/octave. Mounting Dimensions: 2" x 1.4" (52mm x 37mm) cutout. 48KMA6004 amplifier highlights: Weather-resistant full-range design delivering powerful, reliable output for powersports systems. Power ratings: 2 Ohm Stereo: 150x4; 4 Ohm Stereo: 75x4; 4 Ohm Bridged Mono: 300x2. Dynamic Power: 725 watts. Frequency Response: 10-20k Hz. This package gives you durable, marine-ready components with versatile connectivity and strong amplification — ideal for upgrading sound on ATVs, UTVs, boats, and other outdoor vehicles while preserving all original specifications.