MXR MC406 CAE Buffer Pedal
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Want to Click and Collect or try items at our Guildford Store?
The store is open 10am - 6pm Monday to Saturday and 11am - 5pm Sunday and bank holidays.
The stock information shows the quantity of units that are available to purchase at the Guildford store and the quantity of units that are available at our off-site Guildford warehouse. These stock levels are updated in real time.
Our Click and Collect service is available at our Guildford store from 10am - 6pm Monday to Saturday, and 11am - 5pm on Sunday. You can either choose click and collect as your delivery option online or, during store opening hours, call our sales team at 01483 456777 to place a 10% deposit.
If you have placed your order online, you will receive a confirmation email of your order and a separate follow-up text or email to confirm when your item is ready for collection.
Please do not come to the store before you have received the follow-up message, as your order may not yet be ready at the store.
If the only available stock is in our off-site warehouse it can be brought to the store location for you to try - you just need to contact the store within opening hours. Please note any requests received after 3.30pm will not arrive at the store until the following morning.
Please be aware that, unless you have paid a deposit to reserve the item, it will continue to be free, both online and in-store, for another customer to buy. Therefore we would advise you to place a 10% deposit by either using the on-line click and collect service or calling us 01483 456777.
SKU: MXR-EFX-MC406
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Product Description
The MXR MC406 CAE Buffer is your essential solution for keeping your guitar tone crisp and pure, no matter how complex your pedalboard setup. Designed in collaboration with Custom Audio Electronics, this compact buffer pedal restores and maintains the integrity of your signal, tackling the common issues of signal loss and tone degradation that can occur with long cable runs and multiple effects. With intuitive controls and rugged construction, the MC406 ensures your sound stays punchy and present from stage to studio.
Modern gigging musicians will appreciate the MC406’s flexible gain and tone-shaping options, including dedicated Hi and Lo Cut switches and an adjustable +6dB gain slider. Its low-noise circuitry guarantees whisper-quiet operation, while the steel housing is built to withstand the rigours of life on the road. Whether you’re looking to compensate for pedalboard signal loss, drive long cable runs, or simply keep your tone pristine, the MC406 delivers professional-grade performance in a pedalboard-friendly package.
Maintain Your Core Tone
With 1 MΩ input impedance and true hardwire relay bypass, the MC406 preserves the natural character of your instrument. It acts as a transparent buffer, so your sound remains consistent and clear, even with extensive pedal chains or long cables. If you’ve ever felt your tone go dull or lifeless, this pedal will bring it back to life.
Flexible Gain & Tone Shaping
The adjustable gain slider lets you boost your signal by up to +6dB, ideal for making up lost volume or pushing your amp just a little more. Hi and Lo Cut switches let you fine-tune your frequency response, cutting harsh highs or taming unwanted low-end rumble as needed. Each switch features an LED indicator for instant visual feedback on your settings.
Smart Pedalboard Integration
The MC406 is designed for easy integration into any setup. It features dual outputs: use OUTPUT 2 for your main effects chain, or OUTPUT 1 as a direct, unbuffered feed for a tuner, second amp, or separate effects loop. A pass-through 9-volt jack even lets you power additional pedals right from the buffer, minimising cable clutter on your board.
Built for the Road
Encased in a rugged steel housing, the MC406 is built to last. Its compact size ensures it fits comfortably on any pedalboard, while its low current draw means it works seamlessly with your existing 9V pedal power supply. No matter where you play, your tone is in safe hands with MXR’s renowned reliability.
Key Features
- Pristine Signal Preservation - Maintains your guitar’s natural tone and dynamics, even with long cable runs or large pedalboards, so your sound always cuts through the mix.
- Adjustable Gain & Tone Controls - Fine-tune your output with a +6dB gain slider, Hi Cut, and Lo Cut switches, allowing you to tailor your sound to any venue or rig.
- Dual Outputs & Power Pass-Through - Flexible routing options for tuners, amps, or separate chains, plus a 9V DC pass-through to power additional pedals and keep your board neat.
- Durable, Pedalboard-Friendly Design - Compact steel enclosure built to withstand years of gigs, with easy-to-see LED indicators and simple, intuitive controls.
Specifications
General
- Type: Buffer pedal
- Bypass: True hardwire relay
- Housing: Rugged steel
- LED Indicators: Hi Cut and Lo Cut
Audio
- Input Impedance: 1 MΩ
- Output Impedance: 100 Ω
- Frequency Response: 20 Hz – 20 kHz ±0.1 dB
- Lo Cut: -6 dB @ 140 Hz
- Hi Cut: -6 dB @ 7 kHz
- Gain Control: 0 to +6dB slider
Power
- Current Draw: 43 mA
- Power Requirements: 9V DC (Dunlop ECB003 or equivalent, 5.5 x 2.1 mm barrel, minimum 50 mA current capability)
- Power Pass-Through: 9V jack for additional effects
Connectivity
- Inputs: 1 x 1/4" (instrument)
- Outputs: 2 x 1/4" (buffered and unbuffered)