Kicker 21 PowerBar Speaker Bar The Kicker Kpb1 21-inch PowerBar, crafted from durable, powder-coated aluminum, boasts two titanium tweeters and four mid-woofers to enliven outdoor settings. It's driven by a 150-watt powerhouse and has a 3.5mm line-output for additional amplifier integration, helping create a larger sound system. This systems connectivity options range from Bluetooth to a full-range AUX stereo input. The PowerBar operates as a self-contained system, eliminating the need for a head unit. It includes a wireless remote for steering wheel-mounted operation, while its four DSP-controlled EQ presets are conveniently accessible through prominent buttons at the PowerBars center. Additionally, the PowerBar features Kicker's Broadcast Mode, allowing simultaneous connection of numerous PowerBars. This ensures everyone enjoys the same music, be it on a trail, while camping, or around a fireside gathering. Features: Four 3-inch midranges and two titanium 1-inch tweeters Weather-proof with Ip66 rating Wireless remote control included Controlled via phone or remote LED backlit controls Broadcast mode pairs and shares music 150 Watts (10 Thd) Stereo AUX input Stereo bluetooth receiver Four EQ settings 3.5mm Line-Out connection to add more audio included bracket mount 1.5, 1.75 or 2 round tube 0.75, 1 or 1.25 square tube (brackets sold separately) Specifications: Number of woofers/tweeters: 4/2 Woofer (in, mm): 3, 76 Tweeter (in, mm): 1, 25 Power output (watts 14.4V, 10 Thd+N): 150 Frequency response (Hz): 65Hz-20K Aux input: stereo 3.5mm female, 0-1.75 V sensitivity Line output: stereo 3.5mm female, buffered, 2.5 V