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Universal Audio UAFX Knuckles '92 Dual Rec Amplifier Pedal

Universal Audio UAFX Knuckles '92 Dual Rec Amplifier Pedal

The Universal Audio UAFX Knuckles '92 is a high-gain amplifier emulation pedal that recreates the iconic tone of the 1992 Revision F Dual Rectifier amplifier. This compact stompbox brings the aggressive, genre-defining sound that powered countless punk, alternative rock, and metal records from the 1990s onwards directly to your pedalboard. It captures the essence of one of the most versatile multi-channel amps ever made, allowing guitarists to access everything from clean tones to bone-crushing distortion without needing a full amplifier setup. The pedal is powered by Universal Audio's dual-engine processing technology, which provides what the company describes as the most authentic emulation of this amplifier ever placed in a stompbox. Key features include three distinct channels (green, orange, and red) for tonal variety, switchable between EL-34 or 6L6 power tube simulations, and selectable solid-state or tube rectifier modes for different playing feels. It incorporates a classic TS-style overdrive circuit for tight, articulate playing, an integrated preamp boost for modern metal tones, and a built-in noise gate to maintain clarity even at extreme gain settings. Through the companion UAFX mobile app, users can access six classic microphone and speaker cabinet pairings, modelled from Universal Audio's award-winning OX Amp Top Box technology, and save custom presets. The Knuckles '92 is particularly well-suited for guitarists seeking the aggressive high-gain tones associated with 1990s alternative rock and metal. Its comprehensive control set, including channel switching, boost options, and deep app-based customisation, makes it versatile for both studio and live use. The recent UAFX 2.0 firmware update adds significant functionality, including USB MIDI control for 128 presets, BPM clock sync, and improved Bluetooth connectivity for wireless editing. This pedal effectively condenses a complex, legendary amplifier system into a rugged, pedalboard-friendly unit that integrates seamlessly into modern digital and analogue rigs.
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5 / 5(1 review)
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Andertons Product reviews 5.0 (1) Best price
£349.00 *
In Stock Free delivery over £199.00 Click & collect Pay later: Yes
Retailer information

We checked this product from this store on 19 Feb 2026 at 03:16.

Delivery

Free over
£199.00
Time
Next day for orders over £199
Couriers
DPD

Collection & in-store

Click & collect
Available
Availability
In store & online

Payment & finance

Interest-free
9, 12, 18, 24, 36, or 48 months at 0% APR, subject to product and order value
Min spend
£300.00
BNPL
Available through PayPal Pay in 3, subject to PayPal approval
Pay later
PayPal Pay in 3, V12 Finance

Other

Trust
Feefo Platinum Trusted Service 5 Years in a Row, NAMM 2026 Retail Top 100 Finalist, NAMM 2025 Top 100 Dealer, NAMM 2020 Customer's Choice, NAMM Dealer Of The Year 2018, YouTube Gold Play Button Award
Loyalty
Loyalty points with every order
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£360.50 (incl. £11.50 delivery)
In Stock Next day delivery for orders before 7pm Mon-Fri on GB Mainland, 2 days for other areas Click & collect Pay later: Yes
Retailer information

We checked this product from this store on 19 Feb 2026 at 18:35.

Delivery

Cost
£11.50
Time
Next day delivery for orders before 7pm Mon-Fri on GB Mainland, 2 days for other areas
Restrictions
Next day delivery not available for Ireland and Scottish Highlands
delivery charges and times vary by region.
Couriers
DPD, UPS

Returns & refunds

Methods
Via online request through account or contact form.
Policy
Returns require an RMA number
request through your online account or by contacting the returns department.

Collection & in-store

Click & collect
Available
Ready in
Ready for collection next day by 12 noon for DPD Pickup.
Locations
DPD Pickup shops (e.g., Sainsburys, Halfords, Matalan, Doddle stations, pharmacies) and UPS Access Points.
Fee
£4.99

Payment & finance

Methods
PayPal
Interest-free
4 months on purchases over £99
Min spend
£99.00
BNPL
UK residents only, subject to credit approval, for purchases between £30 and £2000.
Pay later
PayPal Credit, PayPal Pay in 3

Support

Contact
Phone: 01204 474747, Email: [email protected], Address: Scan Computers International Ltd, Bolton.
Self-service
Track orders via DPD app, manage returns through online account.

Other

Rating
4.8/5 from Trustpilot based on over 42,000 reviews
Trust
Award-winning delivery service, NVIDIA Elite Partner
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* Price may not include delivery when not stated by the retailer. Prices may have changed since we last checked. We are not liable for any errors or omissions; please confirm price, availability and terms with the retailer before purchasing.

Page last updated: 19 Feb 2026, 18:35