The Sound Town SWM16-MAX is a compact wireless microphone and karaoke mixer system engineered for clear sound, easy operation, and broad compatibility. It includes two durable metal handheld microphones operating on UHF 550–590 MHz with 16 selectable channels (8 per microphone) for a stable, interference-free connection that meets FCC standards. Equipped with multiple connection options—HD IN, HD OUT (TV ARC), Optical (Toslink) IN/OUT, 3.5mm (AUX) IN/OUT, and Bluetooth—the SWM16-MAX integrates smoothly with smart TVs, soundbars, receivers, and amplifiers. Bluetooth integration allows for streaming background music from compatible devices such as smartphones and tablets. The system works seamlessly with popular audio setups including Bose Soundbar 300/500/700, Bose Solo, Sonos Beam, Vizio, Samsung, and others. The HD ARC connection allows direct audio extraction from a smart TV by linking an HDMI cable (not included) between the TV’s ARC port and the SWM16-MAX’s HD OUT (ARC) port. Once connected, enabling ARC, selecting PCM, and choosing external speakers ensure proper audio routing. If HD ARC is not available, Optical and AUX inputs provide reliable alternatives for the same high-quality performance. The mixer connects easily to soundbars, powered speakers, or receivers via Optical or AUX output, blending vocals and music for balanced sound without additional components. Combining a wireless microphone receiver and sound mixer in a single compact unit, the SWM16-MAX features independent volume knobs for each microphone, along with shared echo and tone controls to fine-tune the overall microphone mix. The system supports two included wireless microphones and up to two additional wireless microphones (SWM01-U2HH, not included). Each microphone is built with a pop filter that minimizes plosive sounds and delivers smooth, consistent audio. Ideal for karaoke, parties, conferences, weddings, and live events, the SWM16-MAX provides professional, balanced sound suitable for meeting rooms, auditoriums, schools, churches, and small stages. Included in the Box: (1) SWM16-MAX receiver/mixer (1) power adapter (1) USB charging cable (2) wireless handheld microphones (1) 3.5mm (1/8”) to 3.5mm (male to male) audio cable (1) 3.5mm to RCA (male to male) audio cable (2) Toslink to Toslink optical cables Setup Requirement: The wireless microphone system needs to be connected to a powered speaker or an amplifier with passive speakers (with 1/4", 1/8” or optical inputs) to work. These devices are sold separately. FEATURES FLEXIBLE CONNECTION OPTIONS: The SWM16-MAX includes two metal handheld wireless microphones, offering durability and a premium feel. It offers multiple input/output options: HDMI IN, HDMI OUT (TV ARC for audio input from a smart TV), Optical (Toslink) IN/OUT, and 3.5mm (AUX) IN/OUT, making it compatible with a wide range of devices, including smart TVs, home receivers, soundbars, and more. EASY TO SET UP: The HDMI ARC and Optical inputs on the SWM16-MAX karaoke mixer extract audio from a smart TV, blend the music and vocals, and send the mixed signals to a soundbar or amplifier (HDMI cable not included). INTERFERENCE FREE: The wireless microphone system operates on Ultra-High Frequency (UHF, 550–590 MHz), reducing the likelihood of interference compared with VHF systems. It offers 16 selectable frequencies (8 per microphone) and is compliant with the latest FCC regulations. TWO IN ONE: The wireless microphone receiver also functions as a sound mixer and is equipped with rotary controls. Separate volume knobs allow independent adjustment for Mic A and Mic B, while echo and tone controls affect both connected microphones simultaneously. The system also offers the option to add up to two additional wireless microphones (SWM01-U2HH, not included). Ideal for conferences, broadcasting, weddings, karaoke, social events, and small to medium-sized venues such as meeting rooms, auditoriums, schools, churches, and small stages. CONNECTION DIAGRAM: 1. For TV connection, refer to the “Connection Instructions” diagram. Enable the TV’s ARC function, select PCM as the audio format, and choose external speakers in the TV settings. 2. If microphone volume is low, first increase the volume on the TV, soundbar, and receiver. Then, on the SWM16-MAX mixer, set the microphone volume knob to a low-to-mid level and raise the volume to a desired level (20–30%). SUPPORT TROUBLESHOOTING LOW MICROPHONE SOUND On the SWM16-MAX:ⓐ Turn up the MIC volume knobs to MAX.ⓑ Turn down the MUSIC knobs to 50%. On your TV/Soundbar/Receiver, turn up the volume until the microphones reach a desired level and adjust the music knob accordingly. THE MICROPHONE IS NOT PAIRED TO THE RECEIVER (Single Button Microphone) To pair your receiver to the microphone: Turn off the microphone and receiver. While the microphone is turned OFF, long-press the power button on the microphone and do not let go. When the display on the microphone flashes “1d”, immediately quick-press the power button on the microphone and then immediately release the power button. The microphone’s pairing signal on the top-right corner of the LED display will begin to flash. While the pairing signal on the microphone LED display is still flashing, turn on the receiver. The light on the receiver should show:SWM16-MAX: The RF1/RF2 light on the receiver should show green once it is connected correctly. 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