Lehle Sunday Driver SW II preamp, buffer and booster

Retailing in the region of £189.99

On the menu for January 2026 are the Lehle Guitar Pedals, freshly added and carefully selected. These New units are available to order online with fast, secure delivery from trusted UK retailers. Read on for full details, specifications, demos, videos, reviews, and the best places to buy the Lehle Guitar Pedals today.


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Description

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On the menu for January 2026 are the Lehle Guitar Pedals, freshly added and carefully selected. These New units are available to order online with fast, secure delivery from trusted UK retailers. Read on for full details, specifications, demos, videos, reviews, and the best places to buy the Lehle Guitar Pedals today.

Here's what Lehle say about the Sunday Driver SW II:

The LEHLE SUNDAY DRIVER SW II is a compact high-end preamp for all types of electric and acoustic instruments – a preamp for electric and acoustic guitars and basses, not to mention other stringed instruments (such as violins, cellos and double basses) to realize their full musical potential. The switchable version expands on the classic LEHLE SUNDAY DRIVER II with a soft-touch foot switch, to activate and deactivate the pedal.

The LEHLE-Switch works with a microcontroller and an intelligent True-Bypass-Relay-Circuit with active pop suppression circuit, thereby allowing the LEHLE SUNDAY DRIVER SW II to switch even faster than mechanical switches, noise-free and without wear.

The easy-action mushroom-shaped button characteristic of LEHLE products is mounted in the cover, so that your foot pressure is transmitted indirectly, via a spring. Thus the electronics board is not exposed to mechanical loads, making the LEHLE SUNDAY DRIVER SW II virtually indestructible and guaranteeing years of trouble-free switching.

When ON, its circuit is based on a discrete Class A circuit with JFET technology and provides two modes of operation, selected by a mode selector switch with gold-plated contacts: "D" stands for Driver: in this mode, your guitar signal is amplified, with absolutely no modification, at the input impedance of a guitar amp, efficiently eliminating losses on the route through leads and effects; the signal remains strong and clear, retaining its full dynamics. The second setting "S" – as in Sunday – multiplies the input impedance by five, bringing out previously inaudible details and, as gain increases, giving your guitar a characteristic and unmistakable warmth that has given this preamp its name – the result is a sound as mellow as a sunny Sunday afternoon.

Even at the maximum +18 dB gain setting, the LEHLE SUNDAY DRIVER II always stays clean and absolutely free of background noise, thanks to its studio-standard overall dynamic range of 130 dB. To exploit the dynamics of tube amplifiers to the full, the input voltage is also rectified from the power supply socket, then filtered, stabilized and transformed to 30 V.

When OFF, the LEHLE SUNDAY DRIVER SW II provides two different modes of operation: in TB (= True Bypass) mode, the input and output are linked via relay, with zero tonal loss. True-Bypass mode is the best option if you have a small setup with short cable routings and for when a treble booster or old-school fuzz pedal is placed after the LEHLE SUNDAY DRIVER SW II.

If you have long cables or a complex effects board configuration, switch to TS (= True Sound) mode, and the LEHLE SUNDAY DRIVER SW II is active as a buffer, without amplifying or modifying the signal in any way. In this mode, the LEHLE SUNDAY DRIVER SW II operates as a totally neutral line-driver equivalent to mode D with the gain pot turned all the way to the left. The Bypass mode option enables you to effortlessly and tone-fully integrate the LEHLE SUNDAY DRIVER SW II into any setup, no matter how complex. And not just on Sundays!

Key Features

  • High-end preamp, buffer and booster
  • Discrete Class A input stage
  • 130 dB dynamic range thanks to 30 V technology
  • Choose between two sound modes
  • Neutral, studio quality sound
  • Switchable boost up to +18 dB
  • Choose between Buffer and True-Bypass operation
  • Balanced output can be used as a DI box

Additional information

Weight 1 kg

Brand

Lehle

Lehle is a high-end manufacturer of guitar pedals, known for their precision engineering and sophisticated signal routing capabilities. The brand is highly regarded for its innovative designs, particularly in the realm of volume pedals and signal processors. Their products, such as the Lehle Mono Volume S and Lehle Parallel SW II, are favoured by musicians for their transparency, tonal clarity, and durability. The Mono Volume S, for example, offers a smooth operation with low friction bearings and a boost function that can enhance the gain for specific tones. It also features programmable presets, a USB-C socket for calibration and updates, and a buffered direct output, making it versatile and highly functional for modern pedalboards.

Lehle pedals are built with high-quality components, including discrete Class-A input stages, which contribute to their excellent dynamic range and ability to handle various instruments, from electric guitars to keyboards. Their use of true-bypass circuits and advanced switching technology ensures minimal signal loss, allowing musicians to maintain the integrity of their sound even when switching between effects.

Category

Guitar Pedals

Tags

Boost

Buffer

DI

Fuzz

A fuzz pedal is one of the earliest and most aggressive forms of distortion, turning your clean guitar signal into a thick, saturated wall of sound. It works by clipping the waveform almost flat, creating a compressed, gritty tone full of harmonic overtones. The result is raw, unruly, and unmistakable — from the sputtering breakup of vintage germanium circuits to the searing sustain of modern silicon designs. Fuzz pedals react strongly to your guitar’s volume and pickup choice, making them dynamic tools for expressive players.

Whether you’re chasing the classic tones of Hendrix and the Smashing Pumpkins or exploring heavy, experimental textures, fuzz remains a favourite for its personality and unpredictability. It can sound smooth and sustaining, or wild and velcro-like, depending on how it’s set up. A good fuzz pedal cuts through the mix while adding thickness and attitude, turning any riff or lead line into something bold and unmistakably alive.

New

This is brand new, fresh in, and a UK warranty is included. New Gear always comes from trusted UK music retailers.

Preamp

A preamp pedal shapes and boosts your guitar’s signal before it reaches your amp or recording interface, giving you control over tone, gain, and headroom. It acts as the first stage of amplification, adding warmth, clarity, and character while preparing your signal for the next part of the chain. Some preamps emulate the response of classic valve circuits, while others offer clean, transparent tone shaping ideal for acoustic instruments or direct recording setups.

Used on its own, a preamp pedal can serve as the foundation of your tone, providing a consistent core sound wherever you play. When combined with other effects, it enhances dynamics and helps each pedal sound more defined and natural. Whether you’re looking to push your amp harder, bring life to a dull signal, or refine your sound for the studio, a good preamp pedal adds presence, punch, and musicality to any rig.

used

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