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Average Price: $240
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$100
$251+
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Based on price data from 7 merchants for "Line 6 DL4 MkII". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
The Line 6 DL4 MkII guitar effects pedal is a remarkable reinvention of its predecessor, the original DL4 Delay Modeler. This revamped model includes all the sounds and features of the original, and introduces an array of exciting advancements. The DL4 MkII proudly presents 15 new delay effects, drawn from the revered Line 6 HX family of amp and effects processors.
The pedal also boasts two loopers, the 4-Switch and 1-Switch, providing up to 240 seconds of record time that can be extended to several hours with an optional microSD card. The DL4 MkII is also equipped with an XLR microphone input, allowing you to loop vocals and more. As for connectivity, it includes MIDI In and Out/Thru connectors, empowering versatile control over your sound.
In terms of design, the DL4 MkII maintains the familiar knob and footswitch layout of the original, but is smaller and lighter, enhancing the convenience for modern musicians. Also, the pedal features four heavy-duty footswitches with colored halo rings, three bypass options and a jack for connecting an optional expression pedal or two external footswitches.
Key Features:
- Includes 15 new MkII delays from the Line 6 HX family
- Features 4-Switch and 1-Switch loopers with up to 240 seconds of record time
- Expandable record time with an optional microSD card
- Equipped with an XLR microphone input for vocal processing and looping
- Comprehensive MIDI connectivity and control with In and Out/Thru DIN connectors
- Four heavy-duty footswitches with colored halo rings
- Three bypass options (true, buffered, DSP)
- Jack for connecting an optional expression pedal or two external footswitches
- Smaller and lighter design than the original DL4
Owner's manual
Line 6 DL4 MkII User ManualProduct specs
| Pedal Type | Delay |
| Analog/Digital | Digital |
| Presets | 6 x User, 128 via MIDI |
| Effects | 30 x Delay, 15 x Reverb |
| Max Delay Time | 4 seconds |
| Looping Time | 2 minutes (stereo), 4 minutes (mono), Expandable to several hours with microSD card |
| Tap Tempo | Yes |
| Inputs | 2 x 1/4" TS (L/mono, R), 1 x XLR (mic) |
| Outputs | 2 x 1/4" TS (L/mono, R) |
| MIDI I/O | 2 x 5-pin DIN (In, Out/Thru), USB |
| Other I/O | 1 x 1/4" (expression/dual footswitch), 1 x MicroSD slot |
| USB | 1 x USB-C (Midi, Firmware) |
| Bypass Switching | True Bypass, Buffered, DSP, Dry Kill |
| Power Source | 9V DC 500mA power supply (included) |
| Height | 2" |
| Width | 9.25" |
| Depth | 4.5" |
| Weight | 2.07 lbs. |
FAQs
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What are the main delay and reverb effects available on the Line 6 DL4 MkII?
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The Line 6 DL4 MkII offers 30 different delay effects and 15 reverb effects, providing a wide range of sonic possibilities for various musical styles.
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Can the Line 6 DL4 MkII be used with a MIDI controller?
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Yes, the Line 6 DL4 MkII features MIDI I/O with 2 x 5-pin DIN connectors, allowing integration with MIDI controllers for expanded control and preset management.
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How does the looping capability of the Line 6 DL4 MkII work?
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The Line 6 DL4 MkII provides up to 2 minutes of stereo looping and 4 minutes of mono looping, which can be expanded to several hours using a microSD card.
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Does the Line 6 DL4 MkII support tap tempo functionality?
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Yes, the Line 6 DL4 MkII includes a tap tempo feature, enabling you to synchronize delay times with the tempo of your music easily.
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What type of power supply does the Line 6 DL4 MkII require?
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The Line 6 DL4 MkII requires a 9V DC 500mA power supply, which is included with the pedal for convenience and optimal performance.
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Is the Line 6 DL4 MkII suitable for live performances?
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Yes, with its robust build, true bypass switching, and extensive delay and looping features, the Line 6 DL4 MkII is well-suited for live performances.
Videos
Line 6
Line 6 | DL4 MkII | Overview
Reviews
PROS
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Compact, pedalboard-friendly design
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Doubles the amount of delay sounds and extended looper time
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Easy to program with a wide variety of effects options
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High build quality and durability for live performance
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Three programmable stomps plus a tap tempo stomp
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Onboard looper adds creative possibilities
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True bypass maintains signal integrity
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Can mimic many popular delays and reverbs accurately
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Unique ambient reverbs and delay effects
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Extended memory for longer looping capabilities
CONS
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Some users find the interface non-intuitive and hard to navigate without help
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Preset management can be clumsy and lacks software editing
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Software glitches reported, causing reliability issues
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Indicator lights management could be better designed
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Line 6 DL4 MkII.
Mods and upgrades
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There is interest in modding the DL4 MkII to integrate a one-handed reverb control, potentially through a push-pull pot modification.
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An extra pot mod in a guitar, acting like an expression pedal to control mix, was inspired by guitarist Dave Harrington's setup, offering unique control over effects.
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Features and functionality
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Assigning the tap switch as a One Switch Looper allows for recording loops with any active sound, unlike switching to Classic Looper mode which limits effects.
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Owners note that using an expression pedal to control parameters like feedback or mix can significantly expand the pedal's capabilities, especially when creating custom presets.
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The DL4 MkII allows for simultaneous use of delay and reverb, with the ability to choose their order or play them in parallel.
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Some owners experience a layer of hiss added with each recorded loop pass on the DL4 MkII looper.
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The DL4 MkII's feedback information is stored, causing previously used delay trails to reappear when the pedal is re-engaged, irrespective of bypass and trails settings.
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The MkII includes “secret” reverbs, which are the same as those found in HX Stomp pedals, enhancing its versatility.
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User experience
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Users find the pedal's lack of visual feedback for bank changes challenging, as the color only dims or brightens without indicating the current bank clearly.
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Some users report persistent issues with the reverse delay function, which doesn't replicate the original DL4's performance, despite firmware updates.
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Some owners prefer using the DL4 MkII for its presets and looper, opting for dedicated pedals for reverb due to the MkII’s intricate functionality.
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The looper feature is highly praised for its ease of use, with options for external tap tempo integration.
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Owners find it challenging to navigate reverb choices due to the process of returning to the desired delay setting.
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Setup and maintenance
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The DL4 MkII reportedly benefits from adding a 2-button switch to optimize looper access and toggle parameters, though some still find the setup process overwhelming.
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Use cases and applications
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The DL4 MkII works well with synthesizers, enhancing its versatility beyond guitar use.
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Software and compatibility
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Firmware updates are necessary to resolve issues like tap divisions not saving, although some find the process cumbersome.
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Comparisons
Critic Reviews
5.0 out of 5
Based on 0 Reviews and 4 Ratings
Artist usage
Add artist
Les Claypool, known for his dynamic bass playing, has transitioned from the original Line 6 DL4 to the new DL4 MkII. This switch is highlighted in a video by Bass Magazine on Instagram, where Claypool performs "My Name is Mud" with fellow musicians.
In this June 2023 YouTube at 25:00 on the GigRig channel, Ed adds the Line6 DL4 MkII to the pedalboard he’s constructing with Dan.
In a photo shared by Mingus Addict on The Gear Page, Bill Frisell's pedalboard is shown to include the Line 6 DL4 MkII.
In an Instagram story post from 2026, Dallas Green's current pedal board is shown to include the Line 6 DL4 MkII.
In an Instagram post by Nick Reinhart, he can be seen holding two Line 6 DL4 MkII pedals, as confirmed by his caption: "DL4 mkII x 2 SWAG."
In this video, Rhett Shull demonstrates and reviews the MKII version of the Line 6 DL4.
In this photo from 8/27/24 Mike's prebuilt board can be seen with an array of pedals including the newer version of the DL4
Thomas Erak uses the Line 6 DL4 MkII, as evidenced by its visible presence on his pedalboard in a video shared by sadik_0907 on Instagram.
Album Usage
The Line 6 DL4 MkII has been featured on the following albums:
Menos el Oso (20th Anniversary Deluxe Edition)
Minus the Bear (2025)
mor ve ötesi (SAYGI1)
mor ve ötesi (2025)
Uyan (Saygi1)
mor ve ötesi (2025)
Melekler Ölmez (Saygi1, Canlı Senfonik)
mor ve ötesi (2025)
Dünyaya Bedel (Saygi1, Canlı Senfonik)
mor ve ötesi (2025)
Bir Derdim Var (Saygi1, Canlı Senfonik)
mor ve ötesi (2025)
Lo Que Tú Piensas Que Va Llegar
Kidchen (2025)
Recipiente
Kidchen (2025)
El Caserito, Vol. 17 (En Vivo)
Kidchen (2024)
Quejas Innecesarias
Kidchen (2023)
De Ti para Mí y de Mí para Tu
Kidchen (2023)
Memento Mori
Flyleaf (2009)
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Line 6 DL4 MkII, it is most commonly used with the following gear.
Community setups
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