Perfect music enjoyment on board with this compact waterproof (IPx5) radio, including for outside installation with an integrated Bluetooth module for streaming music from Apple and Android smartphones. The system has a maximum output of 4x45 W for two pairs of loudspeakers. The AM/FM radio has an amplifier output and an AUX IN jack. The set includes two high-grade, white MS-606 Fusion two-way loudspeakers, balanced-drive tweeter: PEI. Efficiency (1W/1M), 85 dB. Frequency range: 60 Hz – 22 kHz. Impedance: 4 Ohm. External dimensions: 177 mm / recess installation diameter: 127 mm, recess depth: 40 mm. The subwoofer is 6 inches in size. External dimensions: 160 x 65 mm (WxH), installation dimensions: 130 x 50 x 52 mm (WxHxD).