p > product description p > p > color: black p > p > abstract: who said that heavy vehicles and equipment to provide users with high-quality audio entertainment? Herdio Heavy Duty is proud to introduce the new Herdio HMH-616BT Heavy Duty speakers to the construction, utility, off-road, entertainment and power sports industries. These heavy-duty box speakers are designed to not only provide full range audio entertainment when paired with the HPS-61 Herdio heavy-duty mini waterproof AM/FM radio, but are specifically designed to withstand the challenges of being off - road and outdoor environment S- sold in pairs. Tiny impact: Don't think 4 inch box speakers without big sound,Herdio box speakers, maximum volume up to 20 meters waterproof IP66 system technology: whether you stay in boat repair, SPA or motorcycle, yacht,Herdio waterproof IP66 Speakers are your best choice. Spiral support structure: You can rotate 180 degrees to find the right position for you. After-sales service: We support 0 year warranty,30 days wordless returns, and 24 hours for friendly customer service staff to answer your questions. Package Contents: Pair of 4 "box speakers x 1 pair mounting bracket with screws x 2 neutral white retail boxes x 1 We also offer a one year manufacturer's warranty!