Product Details
Start your musical journey the right way. This purchase unlocks a complimentary 30-minute session with a certified instructor at Yamaha Music School, plus 10% off any course you enroll in. Your voucher is issued after checkout and redeemable at our Riyadh branch.
Yamaha Music School - Riyadh
Celebrate 40 years of an industry icon w...
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4 interest-free payments of 80.00. Shariah compliant.
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Why This Guitar
This limited edition pedal celebrates 40 years of the iconic SD-1 with a striking black body, yellow lettering, gold-capped knobs, and a vintage silver thumbscrew for the battery compartment. It's a collector's piece that also serves as a workhorse on any pedalboard, presented in a special commemorative box.
At the heart of the SD-1 is the revolutionary asymmetrical clipping circuit, which produces the warm, smooth, and harmonically rich sound of a cranked tube amplifier. This design provides a natural and highly musical overdrive that has been a core part of countless guitarists' rigs across every genre.
The SD-1-4A is exceptionally versatile, capable of delivering everything from a subtle, gritty boost to fat, singing lead tones. Use it to add character to a clean amp, or place it in front of a high-gain amp or another drive pedal to tighten bass, focus mids, and add sustain for solos.
BY THE NUMBERS
Everything you receive
Boss SD-1-4A 40th Anniversary Super Overdrive Pedal for Electric Guitar
Owner's Manual
Local Warranty Card
The Maker
Roland has expanded the possibilities of electronic music through influential synthesizers, drum machines, digital pianos, electronic drums, amplifiers, and production tools. Its instruments combine expressive playability, distinctive sounds, and performance-ready reliability for learners, creators, studios, schools, houses of worship, and stages.
View All Roland ProductsExpert answers
6 questions answered by aDawliah experts·avg response 2 hours
This is the Boss SD-1-4A Super Overdrive, a classic analog overdrive pedal for electric guitar known for its warm, tube-like crunch.
Absolutely. Its straightforward three-knob layout (Level, Tone, Drive) makes it easy for players of any skill level to dial in great sounds right away.
The SD-1-4A is a limited 40th Anniversary edition featuring a unique black and yellow color scheme, gold-capped knobs, a vintage-style silver thumbscrew, and a commemorative box.
While it is designed and voiced primarily for electric guitar, some bass players use it for a gritty, mid-focused drive. However, its low-end response may not be ideal for all bass applications.
A power supply or battery is not typically included with new Boss pedals and must be purchased separately. It can be powered by a standard 9V battery or a 9V DC power adapter (PSA series recommended).
Overdrive, like the SD-1 provides, is typically a smoother, more dynamic effect that mimics a tube amp breaking up. Distortion is often a more aggressive and saturated sound with more compression.
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