Zoom U-44

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 U-44 SYSTEM REQUIREMENTS Windows: OS： Windows® 7 SP1 or later / 8.1 / 10 (32bit/64bit) CPU: Intel® Core i3 or faster* USB: USB 3.0/USB 2.0** * Operation is not guaranteed with CPUs from Atom, Celeron or Pentium series or CPUs made by AMD. ** Only USB host controllers with Intel Chipsets are supported. Operation is not guaranteed when used with USB hubs or expansion cards. Mac: OS： Mac® OS X 10.9.5 or later / 10.10 / 10.11 CPU: Intel® Core i3 or faster USB: USB 3.0/USB 2.0* * Operation is not guaranteed when used with USB hubs or expansion cards. iPad: OS： iOS 7.1 or later * Requires 2 AA batteries (not included) or optional AC adapter for power, plus an Apple iPad Camera Connection Kit or Lightning-to-USB Camera Adapter.