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Volt Specifications

Volt Specification Notes

  • These specifications apply to all Volt audio interface models
    (
    Volt 1, Volt 2, Volt 176, Volt 276, Volt 476) except where noted.
  • Volt specifications are subject to change without notice. 

SYSTEM

I/O Complement

Microphone/Line/Instrument Preamp Inputs

Volt 1

Volt 2

Volt 176

Volt 276

Volt 476

Combo XLR/TRS

One

Two

One

Two

Two

Additional Line Inputs (Volt 476 only)

Line Outputs (Volt 476 only)

Two

Four

Monitor Outputs

Two (one stereo pair) 

Headphone Outputs

One stereo 

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

Mic, Line, Instrument Input(s)

Vintage mode (all Volt models)

Selectable ON/OFF

76 Compressor presets (176, 276, 476 only)

Selectable VOC, GTR, FAST, OFF 

76 Compressor preset times

VOC

GTR

FAST

Compression Ratio

Attack / Release times (approximate)

Attack 2 ms / Release 300 ms

Attack 1.5 ms / Release 700 ms

Attack 30 µs / Release 35 ms

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 (Volt 476 only)

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 & 476 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

Maximum Output Power into 300 Ohms

Maximum Output Power into 600 Ohms

84 mW per channel

22 mW per channel

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

Volt 1

Volt 2

Volt 176

Volt 276

Volt 476

 

2.8W maximum, 1.9W typical

4.2W maximum, 2.5W typical

3.2W maximum, 2.3W typical

5W maximum, 3.5W typical

6.7W maximum, 4.9W typical

ENVIRONMENTAL

Ambient Temperature Range

32° to 104° F (0° to 40° C)

MECHANICAL

Dimensions

Chassis (including knobs and protrusions)

Volt 1

Volt 2

Volt 176

Volt 276

Volt 476

Width x Depth x Height

5.7 x 5.1 x 2.0 in (14,5 x 13,0 x 5,0 cm)

6.9 x 5.1 x 2.1 in (17,4 x 13,0 x 5,3 cm)

5.9 x 5.1 x 2.6 in (15,0 x 13,0 x 6,5 cm)

7.3 x 4.7 x 2.7 in (18,4 x 11,9 x 6,7 cm)

8.4 x 5.2 x 2.6 in (21,2 x 13,2 x 6,6 cm)

Shipping Box 

Volt 1

Volt 2

Volt 176

Volt 276

Volt 476

Width x Depth x Height

7.8 x 6.9 x 3.7 in (1,9 x 17,5 x 9,5 cm)

9.0 x 6.9 x 3.7 in (22,8 x 17,5 x 9,4 cm)

8.1 x 7.1 x 4.2 in (20,6 x 18,2 x 10,6 cm)

9.5 x 6.9 x 4.0 in (24,1 x 17,5 x 10,2 cm)

9.5 x 6.9 x 5.2 in (24,1 x 17,5 x 13,3 cm)

Weight

Shipping Weight (with box & accessories)

Volt 1

Volt 2

Volt 176

Volt 276

Volt 476

 

1.9 lbs (0.9 kg)

2.2 lbs (1.0 kg)

2.2 lbs (1.0 kg)

2.6 lbs (1.2 kg)

3.5 lbs (1.6 kg)

Weight (bare unit)

Volt 1

Volt 2

Volt 176

Volt 276

Volt 476

 

1.2 lbs (0.55 kg)

1.4 lbs (0.65 kg)

1.4 lbs (0.65 kg)

1.8 lbs (0.79 kg)

2.0 lbs (0.92 kg)

Package Contents

Volt Audio Interface Unit

USB Type-A to Type-C cable

USB Type-A to DC Barrel cable (except Volt 476)

External Power Supply Unit with AC adapter kit (Volt 476 only)

 

 

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