Diezel VH4-2 Pedal
Professional music gear - detailed information and where to buy
Diezel
VH4-2 Pedal
Product Info
* Prices may vary. Check retailer for current pricing and availability.
The Diezel VH4-2 is a seriously impressive piece of kit if you're chasing that unmistakable Diezel VH4 sound without the amp itself. It's a fantastic preamp for driving a power amp or a great overdrive when used as a stompbox—perfect for modern metal, hard rock, and anyone wanting a tight, aggressive high-gain tone.
Product Description
- Diezel VH4-2 Pedal
- Effect Pedal
- Overdrive / Preamp
- Based on channels 3 & 4 of the legendary Diezel VH4 amplifier
- Wworks either as an overdrive effect or as a stand-alone preamp
- True bypass
- Independent ‘To Power Amp In’ output is finely tuned for power amplifiers or serial effect loop inputs
- In preamp mode
- the bypass switch mutes the signal
- Controls: Gain 1
- Master 1
- Gain 2
- Master 2
- Bass
- Middle
- Treble
- Deep
- Presence
- LED: Effect On/Off
- Channel
- Footswitch: Effect On/Off
- Channel
- Connections: Input (6.3 mm jack)
- output (6.3 mm jack)
- 12-18 V DC power supply connection (coaxial socket 5.5 x 2.1 mm
- centre negative)
- Power supply with a 12-18 V DC power supply unit (12 V DC power supply unit is included in the scope of delivery)
- 18 V mains cable included (for 2x isolated 9V power supply outputs)
- Dimensions (W x D x H): 114 x 165 x 51 mm
- Made in USA
*Note:* no battery operation not supported
PROS
- • Captures VH4's signature high-gain aggression remarkably well
- • Flexible dual-channel design offers diverse tonal sculpting options
- • True bypass preserves your signal integrity when the effect is off
- • Isolated outputs allow seamless integration with power amps and loop systems
CONS
- • Can be overly aggressive for subtle overdrive applications
- • Limited EQ control compared to some other preamp pedals
- • Size can be a constraint on smaller pedalboards
Product Video
Key Features
Distortion Type
High-Gain Overdrive/Preamp (based on Diezel VH4 channels 3 & 4)
Controls
Gain 1, Master 1, Gain 2, Master 2, Bass, Middle, Treble, Deep, Presence
Bypass Type
True Bypass
Power Supply
12-18V DC (12V power supply included, 18V mains cable included)
Connections
Input (6.3 mm jack), Output (6.3 mm jack), 12-18V DC power supply connection (coaxial socket 5.5 x 2.1 mm)
Dimensions
Approximately 4.7 in x 2.2 in x 2.6 in
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Frequently Asked Questions
This output is specifically designed to be fed directly into a power amp or serial effects loop, providing a balanced and optimized signal path for maximum headroom and tone.
No, this pedal only emulates channels 3 and 4 of the VH4, which are the high-gain channels. It’s focused on delivering that signature distortion.
You'll need a regulated 18V DC power supply with a 5.5 x 2.1 mm coaxial connector and center-negative polarity to unlock the full potential of the pedal's isolated outputs.
