<p><strong>============</strong></p> <p><strong>1. High-Performance Speaker Size : 4.5" W x 5.5" L. Please make sure you have enough room and clearance to install BEFORE purchase. </strong> </p> <p><strong>2. 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>3. Built-in Amplifier. No additional amplifier is needed.</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*20W @ 4Ω<br> Peak Power: 1200W<br> Channel: 4<br> Wireless transmission range > 15m<br> Response Frequency: 20Hz-20KHz<br> S/N: >80dB<br> Bluetooth 5.0<br> 3.5mm AUX Audio Jack<br> Full Function Wired Control<br> Amplifier Class: High-Performance Class-D Electronic Amplifier </p> <p><br> <strong>Speaker Specification:</strong><br> Color: Chrome<br> Speaker Housing: 4.5""<br> Speaker Core: 3"<br> Connector: RCA Male<br> Cable Length(Slave Speaker): 70"<br> Dimensions: 4.5 W X 5.5 L (in.)</p> <p><br> <strong>Package included :</strong><br> 1 x Master Speaker with Built-in Amplifier<br> 3 x Slave Speaker<br> 1 x Wired Control<br> 1 x 3.5mm Audio AUX Cable<br> 1 x SAE 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>