4 Channel Bluetooth 5.0 Amplifier with Active Subwoofer Output RMS 40Wx4, Max 800W Home Audio Receiver USB/SD/AUX Inputs Mini Power Amp for Outdoor Speakers, Garage, Patio & Home Audio

[4 Channel Home Audio Amplifier] RMS 40W x 4 output designed for driving up to 4 passive speakers with stable audio performance for home, garage, patio, workshop and outdoor speaker setups (NOT surround stereo sound -- designed for multi-speaker audio distribution rather than dedicated left/right surround sound systems). [Independent Speaker Zone Control] Features dual volume knobs for separate speaker groups, allowing different sound levels in different rooms, patio areas or outdoor spaces. For example, when using it in your back yard, 2 speakers around your pool area and 2 around the yard and outdoor bar area.

You can have each zone at a different level. Louder at the pool where kids are playing and softer at the bar so people can talk. [Active Subwoofer Output] Designed for use with ACTIVE powered subwoofers only. Passive subwoofers are not supported and may not function properly. [Multiple Connectivity] Latest Bluetooth 5.0 version that gives you a large operating range of 30ft. You can connect it with your music streaming devices like pc/mobile/laptop either with Bluetooth connection, 3.5 mm AUX Cable or Headphone Jack. It also supports USB Port, SD/TF Card port.

(NOTE: Please keep the distance within 30ft / 10m between the device and amplifier without any wall blocking. But if you are connecting with PC devices, please keep the distance within 15ft / 5m. ) [Easy Operation] With bass and treble control knobs you can enjoy the music output as per your. Bright digital LED display lets you see the settings you change easily. Its remote-control feature allows you to change audio settings from a distance, making you less tired and more comfortable. Package comes with DC12V power adapter & remote control