Line 6 DL4 MKII Delay Modeler

Line 6 DL4 MkII Delay Modeler & Looper Pedal

The Line 6 DL4 MkII is the modern evolution of one of the most iconic delay pedals ever made. Building on the legendary status of the original DL4 Delay Modeler, the MkII packs the same beloved features while expanding its capabilities for today’s musicians. Whether you're a guitarist, vocalist, or sonic experimenter, the DL4 MkII delivers incredible versatility, pro-grade effects, and rugged portability.

This next-generation delay and looper pedal features 30 delay types, 15 timeless legacy delays from the original DL4 and 15 modern delays powered by the acclaimed HX™ effects engine. It also includes dual loopers with up to 240 seconds of record time (expandable to hours via microSD), MIDI connectivity, and even an XLR microphone input for vocal looping and creative audio manipulation.

Whether on stage or in the studio, the DL4 MkII is a powerhouse tool for players who want classic delays, cutting-edge effects, and advanced looping in one compact, durable stompbox.

Key Features

• 30 Studio-Quality Delay Types: 15 legacy DL4 delays + 15 new HX-derived effects, including the innovative Glitch Delay
• Dual Loopers: Choose between a classic 4-switch looper or a 1-switch looper; up to 240 seconds of looping (expandable with microSD)
• XLR Mic Input: Plug in a dynamic microphone directly—ideal for vocals, live looping, or creative processing
• MIDI In/Out/Thru: Control parameters, recall presets, and integrate with MIDI rigs seamlessly
• 128 Preset Slots: Access 3 or 6 via footswitch, or the full bank via MIDI
• Expression Pedal & External Switch Support: Assignable for real-time control and extended footswitching
• Three Bypass Modes: Choose from true bypass, buffered, or DSP bypass depending on your setup
• Smaller & Lighter Than Original: Modernized design in a rugged cast aluminum chassis

Delay & Looper Details

30 Ways to Delay
Classic delay fans will feel right at home with the DL4 MkII’s intuitive layout. The 15 new HX-powered delays offer rich, high-resolution soundscapes, everything from tape echo and digital delay to experimental textures like pitch-shifting and glitchy modulations.

Dual Looper Modes
Create on-the-fly with either the simple 1-switch looper or full-featured 4-switch looper. Record loops up to 240 seconds in mono/stereo, or expand to hours with an optional microSD card. Loop placement can be pre- or post-effects chain for ultimate flexibility.

Vocal & Mic Processing
Unlike most guitar pedals, the DL4 MkII includes a dedicated XLR input, making it perfect for vocalists, beatboxers, and sound designers. No need for extra gear, just plug in and go.

Full MIDI Control
Send program changes, continuous controller messages, and more via standard MIDI DIN connectors. Sync with your entire rig or recall any of the 128 onboard presets remotely.

Specifications

• Construction: Cast aluminum chassis
• Delays: 30 total (15 legacy, 15 HX-powered)
• Reverbs: 15 (via HX engine)
• Looping Modes: Mono or stereo
• Loop Time: 240 seconds (expandable with microSD)
• Power Supply: 9V DC-1g (included)
• Dimensions: 2” (H) x 9.25” (W) x 4.5” (D)
• Weight: 2.03 lbs

Perfect For:

• Guitarists seeking versatile delay and looping effects
• Vocalists and live loopers using microphone input
• Musicians needing MIDI-integrated delay control
• Fans of the original DL4 looking for a modern upgrade

Owner's Manual