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Alto TrueMix 600 - 6 Channel Analog Mixer with USB & Bluetooth The Alto Professional TrueMix 600 is a compact, portable 6-channel analog mixer featuring USB connectivity and Bluetooth streaming. Ideal for home recording, livestreaming, podcasting, and live performances, it offers essential audio mixing tools with minimal noise and clipping. Key Features USB I/O for audio playback and stereo recording Dedicated Bluetooth channel with mix-minus return for feedback-free phone pairing Dual headphone outputs with independent volume control 1/4” Main, Tape, Headphone, and AUX outputs Two mic input channels with phantom power and balanced line inputs Two stereo input channels with balanced 1/4” TRS jacks Two-band EQ on all channels with colour-coded knobs for easy adjustment 2-track inputs with assignable routing to Main Mix or Headphone Out Eight-segment LED VU meter for precise level monitoring Extra knob caps included for customisation Robust Output Routing The TrueMix 600 offers versatile output and routing options to suit any audio scenario. Two headphone outputs each have independent volume controls. AUX send/return with individual channel controls allow connection to external effects processors. The USB output sends a copy of the main mix to your computer, while 2-Track in/out supports external recording or monitoring through headphones. This mixer provides full control over your audio routing for music production, podcasting, or livestreaming. Specifications Frequency Response All inputs: 20 Hz – 22 kHz (±1 dB) THD+N (Total Harmonic Distortion) All inputs: Gain Range Mic inputs (Channels 1-2): 0 – 50 dB Line inputs (Channels 1-2): 15 dBu – 35 dBu Line inputs (Channels 3-6): -20 dBu – +20 dBu Max Voltage Gain 70 dB (MIC INPUT to MAIN MIX OUTPUT) 80 dB (MIC INPUT to CTRL ROOM / PHONES OUTPUT) 60 dB (MIC INPUT to AUX SEND) SNR (Signal-to-Noise Ratio) All inputs: > 110 dBu Crossover Frequency Adjacent inputs: Inputs to outputs: Phantom Power +45 ~ +49V with switch control Impedance Mic inputs: 3.9 kΩ All other inputs: > 10 kΩ Aux outputs: 1 kΩ All outputs: 120 Ω Equalization High: ±15 dB @ 12 kHz Low: ±15 dB @ 80 Hz Bluetooth Profile: A2DP Module: Bluetooth 5.0 Operating Frequency: 2402 MHz – 2480 MHz Range: 100 ft. / 30.5 m Connectors (5) 1/4” (6.35 mm) TRS outputs (6) 1/4” (6.35 mm) TRS stereo L/R inputs (2) 1/4" (6.35 mm) TRS headphone outputs (2) 1/4" (6.35 mm) TRS mono inputs (1) Standard RCA L/R input (1) Standard RCA L/R output (2) XLR inputs (1) USB type-B input (1) DC power input Controls (1) Power switch (10) Volume control knobs (1 per input, 1 aux return, 1 2TK In, 2 headphone out, 1 Bluetooth, 1 Main Out) (4) Stereo pan control knobs (1 per input) (4) Aux volume control knobs (1 per input) (4) EQ Low control knobs (1 per input) (4) EQ Hi control knobs (1 per input) (4) Gain control knobs (1 per input) (3) Locking switch buttons (2 source select, 1 Bluetooth) (1) Horizontal sliding switch Indicators (1) Power LED (4) Peak LEDs (1) Phantom LED (16) Main Out Meter LEDs (1) Bluetooth LED Power Connection: DC Voltage: 18V, 1A Consumption: 18W Dimensions (W x D x H) 225.5 x 217 x 74 mm (8.9” x 8.5” x 2.9”) Weight 1.4 kg (3.2 lbs.)