Singmix 45 1000W Powered Karaoke Mixer Amplifier W/Bluetooth/Usb/Echo. 18.05″D x 13″W x 5H. A and B parallel speaker outputs supports (4) 8 ohm speakers or (2) 8 ohm speakers or (2) 4 ohm speakers (Terminals are banana or bare wire). Built in Bluetooth with 35 Foot range. USB input will play music files from a thumb drive or hard drive (32gb max). SD card playback will play music files stored on a memory card (32gb max). Mic line input mixer: volume, balance, echo, and 3 band EQ. Music input mixer: volume, balance, and 3 band EQ. Full controls over echo effects: volume, 2 band echo EQ, repeat, and delay parameters. Selectable mono/stereo echo effect. Dual 7 band master EQ (left/right). Master mic volume control. Remote control for USB/SD playback and Bluetooth Full function. Built in quiet cooling fan. Perfect for karaoke, DJ, KJ, home, and commercial applications. Precision tuning with high quality professional potentiometers and knobs. 115V/230V switchable for worldwide use. Unit weight: 14 lbs (6.35). Unit dimensions: 13″ x 5″ x 1. Rockville SingMix 45 1000w Powered Karaoke Mixer Amplifier w/Bluetooth/USB/Echo. The SingMix 45 is a powered mixer that is suited for karaoke as well as PA applications. The built in stereo amplifier is extremely powerful and can easily support 2 speakers that are either 4 ohm or 8 ohm. You can even use this powered mixer for 4 speakers that are 8 ohm. What makes the SingMix 45 really unique is that it has 4 mic/line inputs that have individual EQ controls in addition to the master EQ. It also has a very advanced echo effect that includes echo volume, a 2 band echo EQ, as well as repeat and delay parameters. In addition to the 4 inputs you also can play back tracks through Bluetooth, USB, or SD. 4 Mic/line inputs – (2) ¼ Front and (2) XLR Rear. Front: USB/SD Inputs, built-in Bluetooth. (2) pair RCA Inputs (rear). (2) pairs RCA Outputs (1 master line out and one rec out). Speaker outputs supports 4 speaker or 2 speaker setups (banana or bare wire). Front 3.5 MM aux input. THD: less than 0.5%. Frequency response: (20Hz-20KHz): ±2dB. Signal to noise ratio: >78db. Tone characteristic (80Hz-15KHz) ±12dB. We offer the best prices around on high quality products. Our E-store includes media such as books, movies, music and games while offering electronics, toys, sporting apparel, clothing, tools, general home, garden items and more. We are always working hard to ensure your package arrives as soon as possible. We do not accept P. Please provide a physical address. We try our very best to make sure every customer is completely satisfied. If there’s a problem, message us! We’re happy to help.