The Matimo M-WM450 is the latest DSP built-in Digital Karaoke Amplifier from Matimo. Included High Quality Wireless Mic Dual.The front panel features an all new multi-touch touchscreen panel displaying all the controls of the amplifier ensuring ease of use and navigation. As its predecessor, the M-WM450 also incorporates USB music player at the front as well as an USB port for DSP tuning. The M-WM450 features three HDMI input alongside with one HDMI output (ARC), which supports up to 1080p of resolution. At the back panel there are two channels of RCA input as well as four ports of 1/4" Jack input for microphone (2 Channels). Stereo 8Ω 450 W 4Ω 00 W S/N Ratio >95 dB Distortion <0.2 Frequency Response ±1.5 dB, 20 Hz - 30 kHz LED Indicator Signal, Protect, Active, Clip/Limit Main Power Supply ~240V @ 50/60 Hz, Fuse:T10A Dimensions (W x H x D) 440 x 114 x 310 -Bluetooth V5.0-Input HDMI x3 /RCA x2 /Optical x1 /Mic x2 USB x1-Output HDMI ARC /CENTER /SUB /REC -Karaoke Mode > KARAOKE /HALL /STUDIO /DISCO /LIVE /MEETING-Music Key Control-Hi-res USB Port Playback