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ATC LOUDSPEAKERS

SSM25i Pro

Passive Monitors

Wall or ceiling mount studio monitor, 3-way passive design, 6.5" bass, 3" mid, 1" S-spec tweeter, shallow cabinet, pivot mount, ideal for immersive audio installs

$4,699.00 CAD
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Description

The ATC SSM25i Pro is a premium shallow-mount, passive 3-way studio monitor, purpose-built for immersive and surround audio installations in professional studios, particularly where space constraints and mounting flexibility are critical. Derived from the acclaimed SCM25A Pro Mk2, this wall- or ceiling-mountable version delivers the same trusted ATC sonic performance in a significantly slimmer profile which is ideal for compact control rooms and Dolby Atmos® mixing environments.

Despite its shallow cabinet depth of just 198 mm (7-13/16"), the SSM25i Pro houses an impressive three-way driver configuration, including a 164 mm (6.5") bass driver, 75 mm (3") soft dome midrange, and ATC’s 25 mm (1") S-Spec tweeter. This combination ensures outstanding midrange clarity, controlled bass, and smooth high-frequency extension which are hallmarks of the ATC studio sound.

The custom-designed mounting hardware allows the speaker to be flush-mounted to a wall or ceiling, then angled toward the listening position, ensuring optimal frequency response and imaging. It also supports portrait or landscape orientation, maximizing versatility in immersive installations and minimizing the footprint into the workspace when ceiling-mounted.

Features

Slim 3-Way Wall/Ceiling Speaker
Designed for immersive and surround systems with a shallow 198 mm (7-13/16") cabinet depth.

High-Performance 3-Way Design
Features a 6.5" bass driver, 3" soft dome mid, and 1" S-Spec tweeter for clear, detailed audio.

Flat-Mount with Pivoting Aim
Installs flush to wall or ceiling and pivots toward the listener for accurate imaging and balanced response.

Flexible Orientation Options
Can be mounted vertically or horizontally, ideal for ceiling installs with minimal visual intrusion.

Optimized for Immersive Audio
Built for high-quality Atmos and surround setups in compact or space-conscious control rooms.

Built on Proven ATC Technology
Adapted from the acclaimed SCM25A Pro Mk2 with a new passive crossover design.

Pairs with ATC Amplification
Engineered to match perfectly with the ATC R4-150 Pro 4-channel power amplifier.

Handcrafted in the UK
Built to ATC’s exacting standards for long-term reliability and sonic consistency.

Specifications

General Specifications
Model: SSM25i Pro
Speaker Type: 3-Way Passive Wall/Ceiling Mount Studio Monitor
Cabinet Depth: 198 mm / 7-13/16" (including proprietary mounting hardware)
Mounting Type: Flat wall or ceiling with pivot mechanism
Mounting Orientation: Vertical (portrait) or Horizontal (landscape)
Target Application: Surround and immersive audio installations in compact control rooms
Construction: Reinforced cabinet for secure mounting
Installation Flexibility: Aims cabinet toward listening position for accurate frequency response and imaging

Driver Configuration
Bass Driver: 164 mm / 6.5"
Midrange Driver: 75 mm / 3"
Tweeter: 25 mm / 1" S-Spec tweeter
Crossover Type: Custom passive crossover (derived from SCM25A Pro Mk2 design)

Performance & Compatibility
Amplification Required: External amplifier (recommended: ATC R4-150 Pro or equivalent)
Recommended Pairing: R4-150 Pro (4-channel, 150W per channel) for multichannel immersive setups
Applications: Dolby Atmos, surround sound, immersive audio post and music mixing

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