Quilter SuperBlock US Pedalboard Amplifier (25 Watts)
zZounds Gear Experts Say...
Get classic American guitar tones in a small package! The Quilter SuperBlock US features onboard reverb, cabinet simulation, and a headphone output.
Overview
Fitting into a slot about the size of a double width pedal, the SuperBlock fits the power of a 25 watt tube amp right on your pedalboard when powered by Quilter's PS-24 power supply (included). For quieter applications, you can also power the SuperBlock US with a conventional 9v power supply for 1 watt of power. Features include two cabinet simulators and an FRFR mode on the XLR Out and headphone out, three classic voices, Limiter, Reverb, and an effects loop.
WARNING: Cancer and Reproductive Harm - www.p65Warnings.ca.gov.
Specs
Power: 25 Watts 8 Ohms (4-16 Ohms Okay)
Power Requirements for Full Power: 24 Volt Power Supply (Included)
Power Requirements for Reduced Power: 9V-300ma
Weight: 1.35 Pounds (0.61 kg)
Dimensions: H 4.25" (10.8cm) x W 6.5" (16.5 cm) x D 1.5" (2.5cm)
Power Requirements for Full Power: 24 Volt Power Supply (Included)
Power Requirements for Reduced Power: 9V-300ma
Weight: 1.35 Pounds (0.61 kg)
Dimensions: H 4.25" (10.8cm) x W 6.5" (16.5 cm) x D 1.5" (2.5cm)
Dimensions and Weight in Packaging
Base Item
- Shipping Weight: 2.75 lbs
- Shipping Dimensions: 11 x 8 x 3 in
- Manufacturer Part Number (MPN): SUPERBLOCK US
Documents and Manuals
For support or warranty questions, please contact the manufacturer:
Phone: 714-519-6114
Email: info@quilterlabs.com
Web: https://support.quilterlabs.com
Phone: 714-519-6114
Email: info@quilterlabs.com
Web: https://support.quilterlabs.com
Reviews
Reviewers gave this product an overall rating of 5 out of 5 stars.
(2 ratings)
Submitted June 4, 2026 by a customer from gmail.com
"Excellent!"
Verified Purchaser
zZounds has verified that this reviewer purchased this specific product from us.
Seen a review complaining it doesn’t feel like a tube amp, and issues with pedals, from my experience mine has a great stock tube amp sound and can feel somewhat like a tube amp with correct limiter settings but this amp really shines when limiter is off or dialed down with the Vox smooth impact tube comp that has a specific sag mode in the effects loop and will solve that feel issue, and the amp responds like a tube amp and sounds even better in my opinion. Any compressor pedal can help increase the sag but the vox has a tube and it responds to fuzz and drive of the amp way better than a stock comp or the stock limiter. Responds to different speakers well settled on the 12evm.
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