Mackie - 2404-VLZ4 24-Channel 4-Bus Compact Mixer with USB

The Master of Compact Analogue Mixers
Now featuring Mackie's flagship Onyx mic preamps, the comprehensive Mackie VLZ4 line delivers the proven feature set, high-headroom/low-noise design and "Built-Like-A-Tank" construction that created an industry more than 25 years ago.
From every input to every output, VLZ4 is optimized to deliver professional-quality results each and every time.

Incomparable Sound Quality
VLZ (standing for very low noise) mixers are designed to deliver the best quality audio no matter the application you choose to use it for, with 128.5 dB dynamic range. 60 dB gain-range delivers the best quality sound from virtually any microphone. With +22 dBu signal levels, you can be reassured connecting high-output sources without distorting your inputs.

High Headroom & Low Noise
Strict attention to component quality has led to innovations like the custom M80 op-amps and class-leading negative summing bus architecture

USB Capability
The2404-VLZ4 also features 4x2 USB recording and playback functionality. Record up to 4 signals simultaneously with a stereo mix returned to the mixer for playback.

Features
• 24-Channel mixer with high-headroom and low-noise design
• 20 boutique-quality Onyx mic preamps
• Improved RF rejection, perfect for broadcast applications
• Phantom power for condenser mics
• 3-Band EQ (80 Hz, 2.5 kHz, 12kHz)
• 6 AUX sends, level, pan and PFL solo on each channel
• 2 stereo returns and 4 group outs with inserts
• High-resolution 12-segment stereo meters
• Sealed rotary controls resist dust and grime
• High-visibility, high-contrast controls deliver convenient visual feedback
• Integrated 4x2 24-bit USB interface
• PFL/AFL Solo modes

Specifications
Main Mix at Unity, Channel Faders Down: -87.0 dBu (-91 dB signal to noise ratio, ref +4 dBu)
Main Mix Fader at Unity, Channel Faders at Unity: -81.5 dBu
Total Harmonic Distortion (THD): Microphone Pre @ Insert: < 0.0007%
Crosstalk / Attenuation:
Channel Alt / Mute Switch Engaged: -90 dBu
Channel Fader Down: -88 dBu
Frequency Response: Microphone Input to Main Output (Gain at Unity):
+0, -1 dB, 20 Hz to 50 kHz
+0, -3 dB, 100 kHz
Equivalent Input Noise 150 ? Termination: -128.5 dBu, 20 Hz to 20 kHz
Microphone input to insert send out, maximum gain
Common Mode Rejection Ratio: Better than -70 dB @ 1 kHz
Maximum Levels
Microphone In: +21 dBu
All Other Inputs: +21 dBu
Main Mix XLR Out: +27 dBu
All Other Outputs: +21 dBu
Impedances
Microphone In: 2.7 k?
Channel Insert Return: 2.5 k?
All Other Inputs: 10 k? or greater
Tape Out: < 10 ?
All Other Outputs: 120 ?
Equalizer
High Shelving: +/-15 dB @ 12 kHz
Mid Peaking: +/-15 dB @ 2.5 kHz
Low Shelving: +/-15 dB @ 80 Hz
USB
Format: USB 1.1
I/O: Stereo Input, 4-Channel Output
A/D/A: 24-bit, 44.1 kHz / 48 kHz
Power Consumption: 55 W, 100 to 120 VAC, 50 to 60 Hz
Operating Temperature: 32 to 104F (0 to 40C)
Fuse Rating: 100 to 120 V: 500 mA slo blo, 5 x 20 mm
220 to 240 V: 250 mA slo blo, 5 x 20 mm
Dimensions: 29.4 x 19.1 x 6.0" (74.8 x 48.6 x 15.3 cm)
Weight: 31 lb (14.1 kg)