Get the party started with the SM4 4-Channel Mixer. It can be easily integrated into any installation/sound system. The mixer is incredibly versatile. You can stream and play music by connecting your media players or mobile phones via a wide range of on-board inputs. Bluetooth connectivity means you can even stream tracks wirelessly! No matter how loud the music may be youll always be centre of attention. The inclusion of a voice-ducking system automatically reduces the volume of the music when you make an announcement using a microphone. You can even sculpt your voice with the on-board equalizer for maximum clarity. If you want a great sound at a cost-effective price then look no further than the Samson SM-4! Convenient and powerful The SM4 mixer allows you to combine up to four high-quality channels of audio. The microphone channel also boasts a 2-band eq. This allows you to either increase or decrease the low and high-frequency content of your microphone to suit the room without adjusting the music. Connecting to your sound device becomes effortless. You can take advantage of the wide range of connectivity the mixer offers by using the rear RCA 1/4″ and 1/8″ inputs. Liberate yourself from an endless sea of cables by using the SM4s Bluetooth connectivity. Should you wish to expand the possibilities of what could be achieved then use the USB port to incorporate a Samson Stage XPD Series wireless system. Features Voice-over priority ducker automatically lowers music volume when speaking through a microphone Includes rackmount kit for easy installation Microphone input with 2-band EQ Bluetooth connectivity for wirelessly streaming music 1/4 and 1/8 inputs for connecting media players Stereo RCA music input ideal for consumer audio devices RCA and XLR outputs for easily connecting to your sound system USB port for phone charging Compatibility with Samsons XPD USB Digital Wireless Systems (sold separately) Rear panel master volume control sets level of mixer Mono and stereo operation Compact half-rack steel chassis 15V phantom powerSpecifications Frequency Response: 30Hz–30kHz (Mic to Main) Maximum Input Level: -18dB @ 1kHz (Mic Input) Maximum Output Level: +14dB Input Channel EQ: ±12dB @ 12kHz (High) ±10dB @ 80Hz (Low) Bluetooth: V4.0 A2DP V1.2 Phantom Power: 15V USB Bus Power: +5V DC 0.2A max Power Requirement: DC15V 800mA Product Dimensions: 43mm x 223mm x 138mm Product Weight: 0.8kg Product Code: SASM4EM