SPL Marc One
Estimated delivery in Italy between 28 and 30 September
Monitor Controller and Audio Interface
A monitor controller that also allows for recording, featuring a 32-bit AD/DA converter and impressive sound quality.
Speakers and Subwoofer
Production can be heard through two switchable pairs of speakers. A subwoofer is switched on and off together with speaker pair A. In the center position of the switch, the speakers are muted, so there is no need to turn the volume control back down.
Volume Control
Levels are adjusted with the Monitor knob: in the center, all input signals are equally loud; turning left makes the analog stereo inputs louder and the USB signal quieter; turning right does the opposite, allowing for quick and intuitive level balancing.
Line and USB Inputs
Two analog stereo inputs and one digital USB input can be connected to the Marc One. The DAW is preferably connected via USB; CD players, mixers, microphone preamps, synthesizers, or analog recorders connect to the line inputs.
32-bit AD/DA Converter
The chipset is from AKM's Premium Velvet Sound® series: the AK5552 as an analog-to-digital converter and the AK4490 as a digital-to-analog converter, both with 32-bit processing. Sample rates up to 768 kHz PCM and DSD playback (via DoP) up to DSD4/DSD256 (11.2 MHz) are supported. The USB connection is class-compliant: Mac and iOS devices do not require drivers (with camera adapter for iOS); on Windows, a driver is only required for higher sample rates.
Headphone Amplifier
The Marc One delivers rich headphone sound and can get very loud. The output stage is a class AB push-pull amplifier with thermally coupled bipolar transistors for a consistent and stable sound image. The power supply features a low-source-resistance buffer circuit for generous current reserves even with low-impedance headphones.
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About SPL
SPL (Sound Performance Lab) is a German company renowned worldwide for producing professional audio equipment of the highest quality. Specializing in dynamics processors, preamplifiers, DA/AD converters, monitor controllers, and mastering hardware, SPL is a benchmark in the most prestigious recording, mastering, and broadcasting studios worldwide. The proprietary Voltair technology, which operates at 120 volts in audio circuits, ensures superior dynamic range and headroom compared to conventional devices. SPL products combine precision German engineering, selected components, and a functional design oriented towards professional workflow. On musicdelivery.net, you can find the complete range of outboard gear, monitor controllers, and recording studio solutions by SPL.
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Shipments
Shipments
We ship throughout Italy and the European Union via selected express courier partners. All orders travel in special reinforced packaging and are covered by 100% included insurance to fully protect the value and integrity of professional equipment during transport.
Returns and refunds
Returns and refunds
You can request a return within 14 days of receiving the order. As these are professional hardware and devices, items must be returned completely intact, unused, unactivated, and sealed in their original packaging, complete with all accessories and manuals.
Frequently Asked Questions
Can't find the answer you're looking for? Our team of specialists is at your disposal for configurations or technical questions.
What are your shipping and delivery times?
What are your shipping and delivery times?
Orders are processed within 24/48 business hours. Delivery is made by insured express courier to guarantee maximum protection and safety even for the most delicate and expensive equipment.
Are the products covered by an official warranty?
Are the products covered by an official warranty?
Yes, all products are 100% original and covered by the official 24-month manufacturer's warranty. In addition, our technical department offers free after-sales support to assist you with the initial setup of your system.
How does the right of withdrawal work?
How does the right of withdrawal work?
If the hardware does not meet your expectations, you can return it within 14 days of receipt. The product must be returned intact, unused, and sealed in its original packaging, complete with all accessories and manuals.
What does it mean if a product is "Available on order"?
What does it mean if a product is "Available on order"?
Some complex professional audio systems or lighting equipment are ordered directly from official distributors based on customer requests. You can proceed with the purchase as normal and our team will immediately inform you of the exact arrival times at our warehouses.

