Carl Martin Octa-Switch MK3

Professional music gear - detailed information and where to buy

Carl Martin Octa-Switch MK3

Carl Martin

Octa-Switch MK3

4.6 Expert Rating

Product Info

Article Number: 365478
Model: Octa-Switch MK3
Category: Switch Pedals
Price: $355.30

* Prices may vary. Check retailer for current pricing and availability.

The Octa-Switch MK3 is a serious piece of gear for players needing complex pedalboard routing. Its robust build, gold relays, and buffer switch are all excellent features, but be prepared to invest some time learning its DIP switch system. This is a fantastic option for studio engineers and gigging musicians with large pedalboards who need precise control over their signal flow.

Product Description

  • Carl Martin Octa-Switch MK3
  • Switching System for Effect Devices
  • New layout
  • 8 Individually manageable loops
  • 8 Individually manageable channels
  • 8 DIP switches per channel
  • 8 Channel buttons
  • 7 Send / return
  • 1 Send / return R / L
  • Input with Buffer Switch for 100% Real True Bypass with Gold Relay
  • Switchable buffer
  • Master Bypass
  • 2 External switches for switching the amp channels (programmable via DIPs)
  • Operation with 2 x 9 Volt batteries or 9 V DC power supply (not included)
  • Dimensions (W x D x H): 311 x 155 x 65 mm
  • Weight: 1.6 kg
PROS
  • • Gold relays ensure silent, reliable switching across all loops.
  • • DIP switches offer granular control over channel routing and behavior.
  • • Buffered input preserves signal strength, especially with long pedal chains.
  • • Solid construction feels robust and durable for gigging use.
CONS
  • • Limited MIDI functionality restricts advanced programmability and integration.
  • • Size and weight make it less ideal for extremely compact pedalboards.
  • • The learning curve for DIP switch configuration can be initially daunting.

Product Video

Key Features

Type Switching System
Loops/Channels 8 loops, 8 channels
MIDI None
Buffer Switchable buffered input with gold relay
Power Supply 2 x 9V batteries or 9V DC (not included)
Dimensions 311 x 155 x 65 mm

Similar Products

Taylor 814ce Special Edition Sedona - Other Acoustic Guitars

Taylor 814ce Special Edition Sedona

Other Acoustic Guitars

$5,499
*Note:* Register your Taylor guitar to extend your warranty to 12 years.
4.8 Expert Rating
Ibanez GRG320FA-TVT - ST Style Guitars

Ibanez GRG320FA-TVT

ST Style Guitars

$439
Electric Guitar, Body: Poplar, Top: Basswood with Art Grain in flamed maple look, Bolt-on neck:...
4.5 Expert Rating
Kawai K-200 ATX 4 WDB Piano - Pianos

Kawai K-200 ATX 4 WDB Piano

Pianos

$9,119
Piano, With AnytimeX-4 equipment, Millennium III mechanics with ABS carbon parts of...
4.5 Expert Rating
Taylor GS-Mini-e Sakuraburst - Folk Acoustic Guitars

Taylor GS-Mini-e Sakuraburst

Folk Acoustic Guitars

$989
*Note:* Register your Taylor guitar to extend your warranty to 12 years.
4.7 Expert Rating
Harley Benton SpaceShip 60 Bundle - Guitar Effect Power Supplies

Harley Benton SpaceShip 60 Bundle

Guitar Effect Power Supplies

$175
4.8 Expert Rating
Ibanez GRGR221PA-AQB Bundle - ST Style Guitars

Ibanez GRGR221PA-AQB Bundle

ST Style Guitars

$325
5 Expert Rating
Line6 Pod GO Bundle - Guitar Multi Effects

Line6 Pod GO Bundle

Guitar Multi Effects

$614
4.6 Expert Rating
Applause Jump Dark Matter - Other Acoustic Guitars

Applause Jump Dark Matter

Other Acoustic Guitars

$362
Acoustic Guitar with Pickup, Type: OM with cutaway, Top: Solid European spruce, Back and...
4.5 Expert Rating

Frequently Asked Questions

The integrated buffer is respectable, but a dedicated, high-end buffer might offer slightly more pristine signal clarity, especially at higher gain settings.
Yes, the multiple send/return loops allow for complex routing, including splitting signals to multiple amplifiers or effects returns.
The manual provides a decent overview, but some users find the DIP switch functionality requires experimentation and external resources for full understanding.

We use cookies to improve your experience. Learn more