Meridian DSP320.2 Active In-Wall Speaker The DSP320.2 is Meridian's compact active in-wall loudspeaker — a square 300mm unit that disappears into a wall or ceiling while delivering the full Meridian DSP loudspeaker experience. This is not a reduced or simplified version of the technology. It carries the same ten DSP processing technologies found in Meridian's floorstanding range, SpeakerLink connectivity, and 160 watts of Class-D amplification matched to its drive units. The difference is form factor, not philosophy. Timbre-matched to the DSP520.2 and DSP640.2, the DSP320.2 integrates naturally into multi-room and home cinema systems where visual discretion is a requirement. See the full Meridian range we stock. Drive Units and Amplification Inside the DSP320.2 are two drive units — an 85mm wide-range driver and an oval "racetrack" bass driver — each fed by a dedicated 80-watt Class-D amplifier. The racetrack bass driver format is designed to maximise cone area within the square cabinet geometry, extracting the low-frequency extension that a conventional circular driver of equivalent cabinet size could not achieve. Bass extension reaches 50Hz; peak SPL is 106dB at 1m. The cabinet depth is 103mm including the rough-in frame — shallow enough for standard wall construction without structural modification. A rough-in frame and grille are included for acoustic consistency and a clean finish. DSP Technologies The DSP320.2 implements ten signal processing technologies: Full Frequency Alignment (FFA) corrects group delay across the frequency range, ensuring all frequencies arrive at the listener's ear simultaneously. Enabled by default. Bespoke Signal Mapping applies crossover filters designed specifically for these two drive units in this cabinet — not a generic crossover solution. E3 Bass (Expand, Extend, Enhance) applies three-stage filter processing to extend the low-frequency response beyond what the cabinet volume would ordinarily produce. Image Elevation psychoacoustically raises the perceived sound image to the centre of a screen — particularly useful in home cinema configurations where the speaker is mounted above or below the display. Q-Sync minimises jitter through Meridian's FIFO buffering system, preserving timing integrity through the digital path. True Time — Meridian's apodising filter — eliminates pre-ringing from digital filters for cleaner transients. True Link provides encrypted high-definition audio transfer over SpeakerLink with minimum clock signal degradation. Pro-Active Bass and Pro-Active Thermal protect the drive units from over-excursion and thermal stress at high output levels. EBA (Enhanced Bass Alignment) adapts bass performance based on the speaker's mounting position — in-wall or on-shelf — ensuring accurate low-frequency response regardless of installation context. Connectivity and Installation The DSP320.2 connects via Meridian SpeakerLink (RJ45) — the same connection used across the entire Meridian active loudspeaker range. SpeakerLink input and output sockets allow daisy-chain configuration, and the DSP320.2 can power a connected Meridian Distributor 1 without an external power supply. The channel selector switch offers Left/Centre, Right, and L+R positions. L+R mode allows a single DSP320.2 to reproduce a full stereo mix — useful in corridors, kitchens, or any space where a single speaker needs to carry both channels. Wall or ceiling mounting is supported. Professional installation is recommended; the DSP320.2 is designed for repeatable, consistent performance across multiple locations in a larger installation. Technical Specifications Wide-range driver 85mm Bass driver Oval "racetrack" Amplification 2 × 80W Class-D Peak SPL 106dB @ 1m Bass extension 50Hz Audio input/output SpeakerLink RJ45 (32kHz–96kHz, up to 24-bit) Max power consumption 500W Dimensions (H × W × D) 299.5 × 299.5 × 103mm (including frame) Weight 5 kg Mounting Wall or ceiling Timbre match DSP520.2, DSP640.2 Who Is It For? The DSP320.2 suits any installation where Meridian active performance is required in a discreet format — home cinema surrounds, multi-room audio, ceiling fills in larger listening spaces, or architectural installations where a visible floorstanding speaker is not appropriate. Its timbre match to the DSP520.2 and DSP640.2 makes it a natural choice for systems using those speakers in the primary positions. Buying from Martin's Hi-Fi Martin's Hi-Fi has been in Norwich since 1968. Elizabeth Gould runs the business today, and we stock only brands we have heard properly and stand behind. We have a long-standing relationship with Meridian and extensive experience specifying and installing their in-wall range. We can advise on system design, speaker placement, SpeakerLink configuration, and how the DSP320.2 integrates with other Meridian components. When you get in touch, you'll be speaking with Dave, Chris and Tim at [email protected], call 01603 627010, or WhatsApp on 07554 687137. You can read more about how we work on our Why Martin's page. We are at 85–91 Ber Street, Norwich, NR1 3EY.
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