<p><strong>============</strong></p> <p><strong>1. This high performance speaker size is 4" W x 5" L. Please make sure you have enough of room and clearance to install BEFORE purchase. </strong></p> <p><strong>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.</strong></p> <p><strong>3. (UPDATE) This bundle includes a set of (4) X-large mounting clamp that supports 1" to 1-1/2" handlebar. Compatible with Ape Hanger and crash bar with 1-1/2" bar diameter. NOTE: Included rubber insert will not support 7/8" bar, custom made rubber inserted is required.</strong> </p><p><strong>============</strong></p> <p><strong>Amplifier Specifications:</strong><br> Input Voltage: DC 10-16 V<br> Input Sensitivity: 100MV-3000MV<br> Rated Power: 4*25W @ 4Ω<br> Peak Power: 1000W<br> Channel: 4<br> Wireless transmission range > 15m<br> Response Frequency: 20Hz-20KHz<br> S/N: >80dB<br> Bluetooth 5.0<br> Built-in FM Radio<br> LCD Display<br> Standard SD Card Slot<br> USB<br> 3.5mm AUX Audio Jack<br> FM Radio Antenna Plug<br> Bluetooth Antenna Plug<br> Aluminum Housing<br> Full function Wired remote<br> Dimension: 5 3/8 L x 4 3/4 W x 1 3/4 H (in.)</p> <p><br> <strong>Speaker Specification:</strong><br> Color: Chrome<br> Speaker Housing: 4"<br>Speaker Core: 3"<br>Connector: RCA Male<br> Cable length: 70"<br> Dimensions: 4 W X 5 L (in.)</p> <p><br> <strong>Package included :</strong><br> 4 x Waterproof Speaker<br> 1 x Amplifier (Not Waterproof)<br> 1 x Wired Control<br> 2 x External Antenna<br> 1 x 3.5mm Audio AUX Cable<br> 1 x DC to Ring terminal power cord<br> 4 x X-Large mounting clamp (1 to 1-1/2 in.)<br> INCLUDED EXTRA HARDWARE for FREE: 2 x Handlebar Mounting Clamp (1 to 1-1/4 in.)<br> 1 x User Manual</p>