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Important notes:

1. Mounting clamp is designed for 7/8" to 1" bar only. Custom mounting required for bar larger than 1". Please check measurement before purchase.

2. Only the speakers are waterproof. The amplifier is NOT waterproof. Please install the amp in a shaded area to avoid rains and direct sunlight. The power amplifier is normal to get warm while in use.

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Features:

1) Bluetooth Wireless
2) 3.5mm Audio Jack AUX IN
3) USB 2.0
4) microSD Slot
5) FM Radio
6) Included Optional LED back-lit Wired Control
7) Display with Clock

Specifications of the band FM:

Cover: 87 - 108 (± 0.55MHz)
Sensitivity: ≤11dB
Distortion: ≤0.5%
SNR: ≥60dB

General Specifications:

Color: Black
Rated Voltage: 12V DC
Rated Input Power: 4 x 30W
Max Input Power: 180W
Rated impedance: 4 - 8Ω
Bluetooth Ver.: 3.0+EDR
Bluetooth Protocol: AVRVP1.0, GAVDP1.0, ADVTP1.0, A2DP1.0
Wireless transmission range > 15m
Frequency range:20Hz - 20KHz
3.5mm Audio Jack: Yes
SD Slot Size: microSD
USB: Support USB Drive in mp3 format
USB Charging: Yes

Dimensions: Speaker: 3.25 x 4 in.
Stereo Main Unit: 3.25 x 4.5 x 2 in.
Wired Control: 1.5 x 2 in.

Package Included:

4 x Speaker
1 x Main Control Unit
1 x Wired Control
3 x Handlebar Clamp
1 x Set of Installation accessories
1 x User Manual (Installation guide not included)