TMS Motorcycle ATV UTV Bike Audio FM Radio MP3 iPod Stereo Sound System Waterproof with 2 Speakers These great sounding, waterproof speakers are the perfect asset for any motorcycle or bicycle. The units wide range antenna transmits clear FM radio, and the auxiliary port allows you to connect to your iPod or mp3 player to play your favorite playlists. These speakers are powered directly from your motorcycles battery giving you endless listening time without the worry of your radio dying. The speakers easily fasten on to your handle bars securely, and wont budge against wind, or bumpy roads. Headphones can distract you from important noises such as the honking of horns and sirens, these speakers allow you to hear your music, as well as the dangers around you. The weather stripped casing on both the speakers and unit crate a waterproof seal. So no matter what the weather may be, rain or shine, you can always listen to your favorite tunes, and enjoy your ride. SPECIFICATIONS Range: 87.5 - 108.5( 0.55MHz) SENSITIVITY: 26dB Distortion: 0.5% SNR: 58db AM BAND SPECIFICATIONS AM band is NOT available for this item. GENERAL RADIO SPECIFICATIONS Waterproof Usable output power: 2 X3W Max output power: 2X 6W Speaker impedance: 4 - 8 Power voltage: DC 12V Memory voltage: DC 12 - 48V Radio dimensions: 8 x 4.3 x 5cm (3 x 1.7 x 2") Bracket dimensions: 11 x 1.8 x 2.5cm (4.7 x 0.7 x 1") Color: black SPEAKER SPECIFICATIONS Waterproof Working voltage: 10 - 16V DC Sound pressure: 88dB Frequency: 165Hz Effective frequency range: Fo-12Khz Distortion: &lt;=5% Rated power input: 15W Max power input: 30W Connection: 2 wires Diameter x depth: 6.3 x 4.3cm (2.5 x 1.7") Color: black and silver Pack size: 2 speakers