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USB Audio Interface
ZOOM R4 MULTITRAK SD RECORDER - USB AUDIO INTERFACE
฿5,800.00
฿9,700.00
SKU : 555662
R4 Features
- 4 Tracks of Recording + Dedicated Bounce Track
- 2 XLR/TS combo inputs for guitar, bass, keyboards, microphones and more
- Built-in Omnidirectional Microphone
- Dual AD circuitry with 32-bit float recording technology
- Color LCD Display
- Built-in effects including EQ, Reverb, Compression, and Guitar effects
- 4 Faders for Volume Control
- USB Audio Interface Function
- Runs on 4 AA batteries or external USB-C battery
Specs
INPUTS / OUTPUTS
| INPUTS | Built-in mic (mono) | 1 |
| XLR/TS inputs (mono) | 2 | |
| OUTPUT | Headphones | 1 |
Inputs
| XLR/TRS INPUTS | Connectors | 2 XLR/TRS combo jacks (Balanced, XLR: 2 HOT） |
| Input gain | No adjustment required (dual A/D converter circuit used) | |
| Input impedance | XLR: 2.3 kΩ | |
| TS: 1 MΩ | ||
| Maximum input level | XLR: +4 dBu | |
| TS: +10 dBu | ||
| Phantom power | +48 V (switchable separately for INPUTS A and B) | |
| Equivalent input noise | XLR: −120 dBu or less (IHF-A) | |
| TS: −107 dBu or less (IHF-A) | ||
| Frequency response | XLR: -0.5 /+0.0 dB : 20 Hz - 20 kHz | |
| TS: -0.2 /+0.0 dB : 20 Hz - 20 kHz | ||
| BUILT-IN MIC INPUT | Directionality | Omnidirectional |
| Input gain | No adjustment required (dual A/D converter circuit used) | |
| Maximum sound pressure input | 115 dB SPL | |
Output
| HEADPHONES | Connector | 1 stereo 3.5mm mini jack |
| Output impedance | 10 Ω | |
| Maximum output level | 20 mW + 20 mW (into 32Ω load) | |
Recorder
| Maximum simultaneous recording tracks | 2 | |
| Recording format | WAV: 48kHz, 32-bit float, mono | |
| Recording media | Cards compatible with microSDHC specifications 4 GB – 32 GB | |
| Cards compatible with microSDXC specifications 64 GB – 1 TB | ||
Display
| 2" full-color LCD (240 × 320) | |
USB
| CONNECTOR | USB Type-C | |
| Note: Use a USB cable that supports data transfer. USB bus power is supported. | ||
| AUDIO INTERFACE FUNCTION | Class | USB 2.0 High Speed |
| Sampling frequency | 48 kHz | |
| Bit rate | 24-bit/32-bit float | |
| Input / output channels | 2 in/2 out | |
| MASS STORAGE FUNCTION | USB2.0 High Speed | |
Power supply
| Batteries: 4 AA (alkaline, lithium, or rechargeable NiMH) | |
| AC adapter: ZOOM AD-17 (5V/1.0A) | |
| * USB bus power is supported. | |
Estimated continuous operation time using batteries
| Alkaline batteries: about 7 hours | |
| NiMH batteries (1900 mAh): about 6 hours | |
| Lithium batteries: about 14 hours | |
| * Use conditions: Recording 1 track, playing 1 track, phantom power off, headphones into 32Ω load, power saving on | |
| * The above values are approximate. * Continuous battery operation times were determined using in-house testing methods. They will vary greatly according to use conditions. | |
Power consumption
| 5 W | |
External dimensions
| 74 mm (W) × 138 mm (D) × 36 mm (H) | |
Weight (including batteries)
| 287 g | |
| Note: 0 dBu = 0.775 Vrms |