Xrong Wireless Audio Subwoofer Amplifier, Bluetooth Audio 5, Powered Subwoofer. Product Features What You Get: RT-16F Amp,AC:100V-240V DC: 24V/4.5A power supply, user manual, our worry-free 24-month warranty, and friendly customer service. Adopt 2 pcs Texas Instruments TPA3251 chip. High-performance effectively improve output power and audio quality. Max power output up to 300Watt. The sound amplification mixer device is equipped with Bluetooth music streaming with a wireless range of 40 feet / 12 meters or more. Compatible with today's latest devices (including smartphones, iPads, iPhones and computers), this stereo amplifer is easy to pair with the receiver. Bluetooth 2.1 amplifier: Exquisite design, Upgrading, easy to use,great sound performance,Apply to outdoor landscape speakers subwoofer,outdoor bluetooth tv speakers,outdoor speaker The amplification subwoofersupports various external signal sources. supporting Bluetooth and standard 3.5mm AUX input can drive most home passive speakers, passive/powered subwoofer. SUB volume/Frequency, Bass/Treble control ensure Hi-Fi music quality;The default is Bluetooth mode when power on. When the AUX-IN of the rear board is inserted into the audio cable, it will automatically switch to the line input mode, and when the audio cable is pulled out, it will automatically switch to the Bluetooth mode. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!