Alto Professional - TrueMix 600

6-Channel Compact Mixer with USB and Bluetooth

Portable Analog Audio Mixing with the Power of Bluetooth:
- The Alto Professional TrueMix 600 is a portable audio mixer with Bluetooth and a built-in stereo USB audio interface that delivers all the essential features you need for home recording, livestreaming, podcasting, or performing. The TrueMix 600 features a dedicated Bluetooth channel for easy streaming from your personal devices. The Bluetooth channel also supports feedback-free phone pairing by utilizing mix-minus technology, a feature that no other audio mixer series in this class supports. There are six analog inputs with high-headroom circuitry for minimal noise and clipping in your signal. The mic input channels offers XLR inputs that are great for connecting dynamic mics or condenser mics with 48 V phantom power. These channels also have balanced ¼” line inputs for connecting instruments and other line-level signals. There are also two stereo input channels, each with dual balanced ¼” TRS inputs. These inputs are perfect for your line-level audio sources. All channels feature a two-band EQ with color-coded knobs that make it easy to dial in your perfect sound while operating in low-light situations. Connecting the TrueMix 600 to your computer is also lightning-fast, with plug-and-play connectivity on Windows and macOS. The TrueMix 600 is a feature-packed compact audio mixer that’s perfect for using on-the-go.

Tech Information:

Frequency Response
- All Inputs: 20 Hz – 22 kHz (± 1 dB)

THD + N (Total Harmonic Distortion)
- All Inputs: < 0.005% (@ 4 dBu, 1 kHz)

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 Ouptut)
- 60 dB (Mic Input to AUX Send)

SNR (Signal-to-Noise Ratio)
- All Inputs: > 110 dBu

Crossover Frequency
- Adjacent Inputs: < -80 dB @ 1 kHz
- Inputs to Outputs: < -75 dB @ 1 kHz (Stereo L/R, Channels 1-2, Panned Hard Left or Right)

Phantom Power
- +45 ~ +49 V with Switch Control

Impedance
- Mic Inputs: 3.9 kOhm
- All Other Inputs: > 10 kOhm
- AUX Outputs: 1 kOhm
- All Outputs: 120 Ohm

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 Output
- (2) 1/4" (6.35 mm) TRS Mono Input
- (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: 18 V, 1 A
- Consumption: 18 W

Dimensions (Width x Depth x Height)
- 8.9” x 8.5” x 2.9” /// 225.5 mm x 217 mm x 74 mm

Weight
- 3.2 lbs /// 1.4 kg