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Universal Audio Volt 4 USB 2.0 Audio Interface
Volt 4 is the perfect USB audio interface for creative collaborators who want to easily record audio projects with professional studio sound. Plug right into your Mac, PC, iPad, or iPhone and Volt just shows up, ready to capture your inspiration with professional sound, courtesy of Universal Audio.
Features:
- Desktop 4 in/4-out USB audio interface with class-leading 24-bit/192 kHz audio conversion for Mac, PC, iPad, and iPhone
- Vintage Mic Preamp mode for recording your voice or guitar with the rich, full sound of an iconic UA tube preamp
- Extended 30-day free trial to UAD Spark offers an ever-expanding library of world-class plug-ins and instruments for a low monthly price
- Studio-quality headphone amplifier for loud, clear monitoring
- USB bus powered to reduce cable clutter
- 48V phantom power for condenser microphones
- Direct Monitoring for latency-free recording
- Stylish, rugged construction built to withstand years of use
- 1-in/1-out MIDI connections
- USB-C to USB-A cable included
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Technical Specification
SYSTEM:
- I/O Complement: Two
- Line Outputs: Four
- Monitor Outputs: Two (one stereo pair)
- Headphone Outputs: One stereo (two stereo on Volt 476P)
- USB: One USB 2.0 port (USB Type-C connector)
- MIDI: In, Out (two 5-pin DIN connectors)
- A/D – D/A Conversion:
- Supported Sample Rates (kHz): 44.1, 48, 88.2, 96, 176.4, 192
- Bit Depth Per Sample: 24
ANALOG I/O:
- Vintage mode (all Volt models): Selectable ON/OFF
- 76 Compressor preset times: Attack / Release times (approximate)
- VOC: Attack 2 ms / Release 300 ms
- GTR: Attack 1.5 ms / Release 700 ms
- FAST: Attack 30 µs / Release 35 ms
- Compression Ratio: 6:1
Microphone Input(s):
- Frequency Response: 20 Hz to 20 kHz, ±0.1 dB
- Dynamic Range (A–weighted): 112 dB
- Total Harmonic Distortion + Noise (1 kHz @ -1 dBFS): -103 dB (0.0007 %)
- Equivalent Input Noise (150 Ohms, A-weighted): -127 dBu
- Maximum Input Level: 9 dBu
- Input Impedance: 3 Kilohms
- Available Gain: 55 dB
- Phantom Power: +48V (switchable)
- Connector Type: XLR Female, pin 2 positive
Instrument Input(s):
- Frequency Response: 20 Hz to 20 kHz, ±0.05 dB
- Dynamic Range (A–weighted): 111 dB
- Total Harmonic Distortion + Noise (1 kHz @ -1 dBFS): -84 dB (0.006 %)
- Maximum Input Level: 12.5 dBu
- Input Impedance: 1 Megohms
- Gain Range: 55 dB
- Connector Type: ¼” TS unbalanced
Line Input(s):
- Frequency Response: 20 Hz to 20 kHz, ±0.05 dB
- Dynamic Range (A–weighted): 111 dB
- Total Harmonic Distortion + Noise (1 kHz @ -1 dBFS): -102 dB (0.0008 %)
- Maximum Input Level: 22 dBu
- Input Impedance: 15 Kilohms
- Gain Range: 55 dB
- Connector Type: ¼” TRS balanced or TS unbalanced
Line Inputs 3-4:
- Frequency Response: 20 Hz to 20 kHz, ±0.05 dB
- Dynamic Range (A–weighted): 113 dB
- Total Harmonic Distortion + Noise (1 kHz @ -1 dBFS): -105 dB (0.0006 %)
- Maximum Input Level: 18 dBu
- Input Impedance: 10 Kilohms
- Connector Type: ¼” TRS balanced or TS unbalanced
Monitor & Line Outputs:
- Frequency Response: 20 Hz to 20 kHz, ±0.1 dB
- Dynamic Range (A–weighted): 110 dB
- Total Harmonic Distortion + Noise (1 kHz @ -1 dBFS): -102.5 dB (0.00075%)
- Maximum Output Level: 15 dBu
- Output Impedance: 100 Ohms
- Connector Type: ¼” TRS balanced or TS unbalanced
Stereo Headphone Outputs:
- Frequency Response: 20 Hz to 20 kHz, ±0.1 dB
- Dynamic Range (100K load, A-weighted): 110 dB
- Total Harmonic Distortion + Noise (1 kHz @ -1 dBFS, 300 Ohms): -100 dB (0.001%)
- Maximum Output Power into 32 Ohms: 84 mW per channel
- Maximum Output Power into 300 Ohms: 22 mW per channel
- Maximum Output Power into 600 Ohms: 12 mW per channel
- Connector Type: ¼” TRS Stereo
ELECTRICAL:
- External DC Power Input: Barrel, female, 5.5mm OD, 2.1mm ID, IEC 60130-10 Type A
- Power Supply, Electrical Requirements +5VDC, Center Positive (+)
- Power Consumption: 6.2W maximum, 4.3W typical
ENVIRONMENTAL:
- Ambient Temperature Range: 32° to 104° F (0° to 40° C)
MECHANICAL:
- Dimensions (Chassis (including knobs and protrusions): 7.9 x 5.1 x 2.0 in (20,1 x 13,0 x 5,0 cm)
- Shipping Box: 9.6 x 8.46 x 5.24 in (24,8 x 21,5 x 13,3 cm)
- Shipping Weight (with box & accessories): 2.7 lbs (1.2kg)
Warranty: 1 year
What Is In The Box
- Universal Audio Volt 4 Audio Interface
- USB Type-A to Type-C cable
- USB Type-A to DC Barrel cable
- External Power Supply Unit with AC adapter kit
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Manufacture Description
Collaborate with Best-in-Class Audio Quality
From the team that brought you the game‑changing Apollo interface, Volt 4 delivers superior studio sound quality with more character and tone than any USB interface in its class.
Capture Legendary Tones with Vintage Mic Preamp Mode
Few sounds can compare to a vintage Universal Audio 610 tube preamp, the same preamp used to record everyone from Ray Charles to Van Halen. Volt 4 gives you the rich, full sound of this iconic UA preamp, thanks to its built‑in tube emulation circuitry, a UA exclusive.
Easy In, Easy Out
Volt 4 gives you simple audio connections to quickly get started. Just plug your mics and guitars into the front panel preamps, and use the line inputs for synths and drum machines. Then connect your speakers or headphones to monitor your audio with no latency. With Volt, you’ll be creating like a pro, fast.
iPad & iPhone Ready
Traveling light? Plug Volt 4 into your iPad or iPhone, and you can easily create beats and samples, record your band’s rehearsals, and edit songs anywhere