SPL Marc One Monitor and Recording Controller

SPL Marc One Monitor and Recording Controller



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SPL Marc One Monitor and Recording Controller

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The Marc One from SPL is a feature-packed device that combines a full 32-bit AD and DA converter with monitor control functionality and high-quality recording inputs.

SPL enthusiasts will recognize the inclusion of their proprietary Phonitor Matrix technology, which allows for headphone mixing in a simulated speaker configuration. In the Marc One, this technology is integrated directly into the headphone amplifier section and can be adjusted using the Crossfade control pot located on the front panel.

The Marc One offers a range of versatile routing options, enabling connectivity for two separate switchable speaker sets and the addition of a single subwoofer to the first set, if desired.

The monitor switcher section includes a third "mute" setting, allowing for easy silencing of the outputs without requiring adjustment of the main volume pot.

At the rear of the unit, the Marc One provides a USB connection that is compatible with both PC and Mac, along with two analogue stereo inputs for connecting various source components such as analogue mixers, preamps, samplers, or MP3 players.

Designed around the AK4490 converter chip, the Marc One delivers premium 32-bit DA and AD conversion with the help of AKM's Velvet Sound technology, which is incorporated into every DAC board. As a result, the playback showcases even the finest details of the audio material while maintaining impressively low distortion levels. The device supports sampling frequencies of up to 768kHz PCM (sixteen times the resolution of CDs) and offers Direct Stream Digital playback coverage up to DSD4 or DSD256.

Key Features:

  • Recording monitor controller and DAC
  • 2x recording inputs
  • 2x sets of monitor inputs
  • Class compliant, no Mac/PC/iOS drivers required
  • iOS operation requires a USB camera adaptor
  • Built-in headphone amp
  • Phonitor Matrix technology

SPL Marc One Monitor and Recording Controller Specifications:

  • Max Input Gain: +22.5 dBu
  • Input Impedance: 20 kO (L1 balanced)
  • Common Mode Rejection: < 60 dB
  • Max Output Gain: +22 dBu (600 O / speakers)
  • Frequency Range: 10 Hz - 200 kHz (-3dB)
  • Dynamic Range: 121.5 dB
  • Noise: -99 dB (A-weighted, 600 O load)
  • THD: 0.002% (0 dBu, 1 kHz)
  • Crosstalk: < 75 dB (1 kHz)
  • Max Output: 2x 400 mW (1 kHz, 47 O)
  • Dimensions: 210 x 49.6 x 220 mm (WxHxD), 1.55kg
More Information
Manufacturer SPL
SKU 332340
Shipping Weight (kg) 2.000000
Warranty 2 Years


We have a wide range of Delivery Options available, depending on the value of your parcel and budget. Select from our 2-3 Day Saver Service or our Next Working Day options at the Checkout.
This will include a text or email on the day of delivery giving you an exact hour window of when your gear will be with you, and the drivers name - just so you know when to turn the volume down!

  • Free Delivery Available on Selected Products
  • Weekend UK Mainland Delivery (Saturday-Sunday): £19.99
  • Small Items (Under 750g) Small items will be delivered by Royal Mail starting from 99p
  • Heavy Items (Over 30kg): Pallet Service Doorstep Delivery £65

For heavy items, courier details, out of stock products, out of area postcodes or international deliveries see our full Delivery info here.


Rather not wait in for the delivery? Don’t worry, we’ve got you…In Stock items can be ordered and paid for in-advance Online via our Click & Collect service. As long as if it's in stock at your chosen branch, you can collect the item within the hour.

Click here for more about our local Click & Collect Service.


If you and your item aren’t getting along, you have 14 days from when you receive the goods to contact our PMT experts either by phone or email to return your item.

*Please note, we cannot accept returns of:

  • Special/Custom Orders - Any order that is custom or has been personalised.
  • Products with Hygiene Seals - Microphones, any in-ear earphones, monitors, orchestral instruments with mouthpieces and any other items that touch your mouth, nose or inner ear if you have broken the hygienic seal on the packaging.
  • Software & Media - Any software or media that has been opened or registered via physical or digital means.

Click here for more information on Returns at PMT.

Online Orders

If you and your new item aren’t getting along, you have 14 days from when you receive the goods to contact our PMT Experts either by phone or email to return your item or organise an exchange for something more suitable.

Store Orders

If you've changed your mind about something you bought in-store, bring it back within 14 days of purchase and we'll be happy to exchange it for another product, a gift card or store credit.