SPL Control One

SPL Control One: The "One Series" Approach to Monitoring

With the Control One, SPL focuses on the essentials: a control chain designed to keep the sound front and center, without complicating the workflow. This controller follows the "One" philosophy: straightforward ergonomics, genuinely useful daily functions, and easy integration into a studio setup, from demanding home studios to sound editing suites. The goal is clear: switch from one source to another, from one pair of monitors to another, and validate a mix in just a few gestures, all while maintaining a clean and coherent analog signal.

A Monitoring Controller Made for Mixing, Producing, and Comparing

The SPL Control One is aimed at those who want to secure their mixing decisions through reliable comparison between multiple listening systems. It is ideal if you work with a main pair of speakers and a second "reference" pair (small monitors, hi-fi style speakers, etc.). It is also very suitable for sound design and post-production environments: the Mono and L/R to R/L controls speed up checks (compatibility, placement, direction of movement) without interrupting the session to manipulate the DAW.
Another strong point: the ability to connect two stereo analog sources (DA converter, console, player, preamp, synthesizer, tape machine) and listen to them selectively, or mixed together in 1+2 mode. This makes it a very practical small gravity center for hybrid studios.

Key Features: Switching, Stereo Image Control, and Headphone Listening

Two Pairs of Speakers, Plus a Subwoofer on Output A

The Control One allows you to listen to your production via two switchable pairs of speakers (A and B). A subwoofer can be activated and deactivated with pair A, making decisions in the low-frequency range easier without multiplying boxes. The selector includes a central Off position that mutes the speakers: convenient for taking a break, switching to headphones, or avoiding any surprises when powering studio elements on or off.

Source Management and Signal Loop Without Output Loss

Two stereo analog inputs can be connected, then selected or combined. The chosen signal is sent as is to the line output, which functions as a parallel loop: you can insert the Control One into your chain without "losing" an output, and easily feed an external headphone amplifier, an analog recorder, or send the signal back to a console for processing.

Three Monitoring Modes + Continuous Crossfeed

In addition to the Stereo mode (default setting), you have a Mono mode to check compatibility and level balance, and an L/R to R/L mode that instantly inverts the stereo image. This inversion is particularly effective when you need to match a movement (left-right) to a scene or quickly validate a sample without prior editing. Finally, the adjustable Crossfeed function introduces controlled crosstalk between channels to achieve a more realistic and closer to "natural" spatial perception.

Stereo Headphone Output: A Real Working Tool

The Control One's stereo headphone output is not just an add-on: it is designed to offer a comfortable level reserve across different impedances, useful both for fine detail control and longer sessions. Combined with Crossfeed, it becomes an excellent complement to monitors for checking panning, depth, and overall mix coherence.

Technical specifications

Bluetooth

No

Inputs

Stereo jack audio

Type	monitoring controller	Headphone output	stereo
Speaker outputs	2 stereo TRS jack outputs, connection for two pairs of speakers (A and B)	Maximum output power (headphone output at 600 Ohm)	2x 190 mW
Output A	with additional subwoofer	Maximum output power (headphone output at 250 Ohm)	2x 330 mW
Monitor section shutdown	off button	Maximum output power (headphone output at 47 Ohm)	2x 400 mW
Stereo inputs	1 TRS jack, 1 TS jack	Frequency response of analog inputs and outputs	10 Hz - 200000 Hz
Line output	stereo via TS jack, parallel loop of the selected signal without modification	Input level (max.)	+22.5 dBu
Three monitoring modes	Stereo, Mono and L/R > R/L (reverses the stereo image from L/R to R/L)	dimensions	210 x 49.6 x 220 mm
Continuously adjustable Crossfeed function	crosstalk between the two stereo channels for more realistic surround sound	Weight	1.45 kg