SM4 4-Channel Mixer OWNER'S MANUAL
Copyright 2017 v1.2 Samson Technologies Corp. 278-B Duffy Ave Hicksville, New York 11801 Phone: 1-800-3-SAMSON (1-800-372-6766) www.samsontech.com The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Samson Technologies is under license. Other trademarks and trade names are those of their respective owners.
Important Safety Information ATTENTION RISQUE DE CHOC ÉLECTRONIQUE NE PAS OUVRIR This lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of non-insulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock.
Important Safety Information 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. 8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. 9.
Important Safety Information FCC Notice 1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. (2) This device must accept any interference received, including interference that may cause undesired operation. 2. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
Introduction Thank you for purchasing the Samson SM4 4-Channel Mixer. The SM4 rack mount mixer is a versatile tool for many sound applications. Featuring microphone and music inputs as well as Bluetooth® connectivity for streaming audio and a USB jack for connecting an optional Samson XPD USB Digital Wireless System.
Front Panel Callouts 1. Power Switch - Use this switch to turn the SM4 on and off. To avoid potential damage to your speakers, turn the SM4 on before you turn on any connected power amps, and turn it off after the power amps are turned off. 2. Power Indicator - LED lights white indicating the unit is powered on. 3. MIC Volume - This knob controls the level of the MIC input. 4. BASS Equalizer Knob - Controls the MIC channel low frequency band, +/- 15dB at 100Hz. 5.
Rear Panel Callouts 1. DC Input - Connect the supplied power adapter here, using the strain relief* as shown in the illustration below. WARNING: Do not substitute any other kind of power adapter. Doing so can cause severe damage to the SM4 and will void your warranty. 2. BAL MIC INPUT - Use this Combo XLR plus 1/4” jacks to connect a microphone or wireless microphone receiver. The XLR input provides 15-volt phantom power for use with condenser microphones. 3.
Quick Start 1. Remove all packing materials and decide where the unit is to be physically placed. The SM4 can be mounted in any standard 19” rack (requiring one rack space), or used on a tabletop. 2. Before connecting a microphone or line level audio device, make sure that the power to all your systems components, including the SM4, are turned off. 3. Using an XLR or 1/4” cable, connect a wired microphone or the output of a wireless microphone receiver to the Mic input jack on the rear of the SM4. 4.
Pairing with a Bluetooth® device Bluetooth is a wireless communication technology that allows for connectivity between a wide range of devices. The SM4 uses Bluetooth to stream high quality audio from your Bluetooth enabled device without the need for connecting any cables. In order for your device to work with the SM4 it must first be paired. 1. With the SM4 and your Bluetooth device powered on, press and hold the PAIR button on the front panel of the SM4 mixer to make the mixer discoverable.
Specifications Frequency Response (Level@Max, unity gain +1/-3dB) Mic to Main 30Hz~30KHz T.H.D (Level@Max, unity gain, 20Hz~30KHz A-Weighted) Mic/Line to Main <0.02% Line to Main <0.02% Equivalent Input Noise Mic (Level@Max) <-75dB 20Hz~30KHz A-weighted Maximum Voltage Gain Mic to Main Line to Main Stereo Line to Main 32dB 8dB (RCA Input) 8dB (1/4’,1/8’ Input) Residual Noise (30kHz LPF, all control Min) Main (All Level min) -110dB Crosstalk (@1kHz w/30kHz LPF) Input vs.
Samson Technologies Corp. 278-B Duffy Ave Hicksville, New York 11801 Phone: 1-800-3-SAMSON (1-800-372-6766) www.samsontech.
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