- Main Features:
- Multi-channel and stereo USB audio interface for PC/Mac
- Connect to iPad with Apple iPad Camera Connection Kit or Lightning-to-USB Camera Adapter (sold separately), plus 2 AA batteries or optional AC adapter for power
- Two mic/line inputs with high-performance mic preamps
- High-quality recording and playback at resolutions up to 24-bit/96 kHz
- Compatible with Zoom interchangeable input capsules via 10-pin connector
- Standalone AD/DA conversion
- Functions as a two-channel mic preamp with analog and digital outputs
- Approximately 4 hours of operation with 2 AA alkaline batteries
- Includes download code for Ableton Live 9 Lite
- Four-channel simultaneous inputs
- Hi-Z support (input 1)
- Zero-latency direct monitoring
- Three TRS phone jack outputs
- Dedicated RCA L/R and headphone outputs
- MIDI I/O
- S/PDIF optical/coaxial input and output
- Gain control knobs for each input
- +48V phantom power for inputs 1 and 2
- Accepts standard AA alkaline or NiMH rechargeable batteries
- What comes with the U-44?:
- Operation manual
- Ableton Live 9 Lite software download code
- USB Cable
- Specifications:
- ANALOG IN: Input 1/2:
- Connector: TRS/XLR combo jacks (XLR: 2 hot, TRS: TIP hot)
- Input gain: 0 – 43 dB
- Input impedance: 2.6 k Ω (MIC IN) 1.1 M Ω (when Hi-Z ON)
- Maximum input level: +2.7 dBu (MIC IN) /+20.7 dBu (TRS IN)
- Phantom power: +48V
- ANALOG IN: Mic In
- Supported Zoom Input Capsules: XYH-6, MSH-6, SGH-6, EXH-6, SSH-6, XYH-5
- ANALOG OUT: Main Out L/R
- Connector: TRS phone jacks (unbalanced)
- Maximum output level: +10 dBu (at 0 dBFS)
- Output impedance: 330 Ω
- ANALOG OUT: Line Out 1/2
- Connector: RCA (coaxial)
- Maximum output level: +8 dBu (at 0 dBFS)
- Output impedance: 1kΩ
- ANALOG OUT: Phones
- Connector: Standard stereo phone jack 30 mW x 2 (into 32 Ω load)
- Maximum output level: +10 dBu (at 0 dBFS)
- Output impedance: 33 Ω
- DIGITAL IN/OUT: S/PDIF Optical
- Connector: TOSLINK
- Supported sampling frequencies: 96 kHz, 88.2 kHz, 48 kHz, 44.1 kHz
- DIGITAL IN/OUT: S/PDIF Coaxial
- Connector: RCA (coaxial)
- Supported sampling frequencies: 96 kHz, 88.2 kHz, 48 kHz, 44.1 kHz
- Frequency characteristics:
- At 44.1 kHz: ±1.5 dB: 20 Hz - 20 kHz
- At 96 kHz: ±2 dB: 20 Hz - 40 kHz
- Input conversion noise:
- Measured EIN: -119.5 dB (IHF-A) at 43 dB, 150 Ω input
- Number of audio recording and playback channels:
- Recording: 4 channels
- Playback: 4 channels
- Sampling frequencies: 96 kHz, 88.2 kHz, 48 kHz, 44.1 kHz
- Bit depth: 24-bit
- Interface: USB 2.0
- MIDI IN/OUT: 5-pin DIN jack
- Power Source:
- USB bus power (Type B)
- ZOOM AD-17 (Micro-B)
- DC 5V power supply (Micro-B)
- 2 AA batteries (4 hours continuous operation with phantom power off)
- Power consumption: 5W maximum
- Dimensions: 198.8 mm (D) x 92.3 mm (W) x 42.7 mm (H)
- Weight (main unit only): 310 g *0dBu=0.775Vrms