System

Number of Audio Record/Playback Channels

• Record: 4 channels
• Playback: 4 channels

Signal Processing

• PC interface: 24 bits
• AD/DA conversion: 24 bits

Sampling Frequency

• AD/DA conversion: 44.1 kHz, 48 kHz, 96 kHz, 192 kHz

Interface

• Hi-Speed USB
• MIDI IN, OUT

Connectors

• INPUT (1L, 2R, 3L, 4R) connectors: XLR type (balanced, phantom power: +48 V, 6 mA Max *1)
• INPUT (1L, 2R, 3L, 4R) jacks *2: 1/4-inch TRS phone type (balanced)
• PHONES jack: Stereo 1/4-inch phone type
• OUTPUT (1L, 2R, 3L, 4R) jacks: 1/4-inch TRS phone type (impedance balanced)
• MIDI (IN, OUT) connectors
• USB port: USB Type B
• DC IN jack

*1 Current value per channel.
*2 INPUT 1L, 3L support high impedance

Controllers

• SENS 1L, 2R, 3L, 4R knobs
• Hi-Z switches
• 48V switches
• THRS knobs
• COMP/LIMIT switches
• DIRECT MONITOR 1/2 knob
• DIRECT MONITOR 3/4 knob
• MONO switches
• OUTPUT knob
• PHONES knob
• POWER switch
• GROUND LIFT switch
• PHONES SOURCE switch
• LOOPBACK switch
• COMP/LIMIT TYPE 1/2 switch
• COMP/LIMIT TYPE 3/4 switch

Indicator

• Level indicators (1L, 2R, 3L, 4R)
• Level indicator (COMP/LIMIT)
• POWER indicator
• Hi-Z indicators
• 48V indicators
• COMP/LIMIT indicators
  
  

Characteristics

Nominal Input Level

• INPUT (1L, 2R, 3L, 4R) connectors (XLR type): -60-- -12 dBu
• INPUT (1L, 2R, 3L, 4R) jacks (1/4-inch TRS phone type): -44--+4 dBu

Maximum Input Level

• INPUT (1L, 2R, 3L, 4R) connectors (XLR type): +2 dBu
• INPUT (1L, 2R, 3L, 4R) jacks (1/4-inch TRS phone type): +18 dBu

Nominal Output Level

• OUTPUT (1L, 2R, 3L, 4R) jacks: -6 dBu (impedance balanced)

Maximum Output Level

• OUTPUT (1L, 2R, 3L, 4R) jacks: +8 dBu (impedance balanced)

PHONES Maximum Output Power

• 20 mW + 20 mW (L + R, 47 ohms load)

Headroom

• 14 dB

Input Impedance

• INPUT (1L, 2R, 3L, 4R) connectors (XLR type): 4 k ohms or greater (balanced)
• INPUT (1L, 2R, 3L, 4R) jacks (1/4-inch TRS phone type): 15 k ohms or greater (balanced)
• INPUT (1L, 3L) jacks (1/4-inch phone type): 500 k ohms or greater

*3 When the Hi-Z is turned on

Output Impedance

• OUTPUT (1L, 2R, 3L, 4R) jacks: 2 k ohms (balanced)
• PHONES jack: 47 ohms

Residual Noise Level

• INPUT (1L, 2R) --> OUTPUT (1L, 2R): -94 dBu typ. (SENS 1L, SENS 2R knobs: min., input terminated with 600 ohms, IHF-A, typ.)

Dynamic Range

• AD block INPUT (1L, 2R, 3L, 4R) jacks: 104 dB typ. (SENS 1L, SENS 2R knobs: min.)
• DA block OUTPUT (1L, 2R, 3L, 4R) jacks: 109 dB typ.

Other

Power Supply

• AC adaptor

Operating System

• Microsoft(R) Windows(R) 7, Windows(R) 8, Windows(R) 8.1, Windows(R) 10
• Apple Mac OS X 10.10 or later
• Apple iOS 9 or later

Dimensions

• 310 (W) x 165 (D) x 46 (H) mm
• 12-1/4 (W) x 6-1/2 (D) x 1-13/16 (H) inches

Weight (main unit only)

• 1.8 kg
• 4 lbs

Accessories

• Setup Guide
• Leaflet "USING THE UNIT SAFELY"
• Power cord
• USB cable
• Ableton Live Lite Serial Number Card

* 0 dBu = 0.775 Vrms