ACM-582 (square panel) — product image: relacart.com
ACM-335 (round compact panel) — product image: relacart.com
Short answer: the ACM-582 and the ACM-335 are the same microphone platform in two physical formats. Both use five MEMS arrays, both run the same four AI audio functions, both output a single Dante/AES67 channel at 48 kHz/24-bit, and both cover the same 7.6 × 7.6 m area automatically. What differs is the enclosure: a 582 × 582 × 51.9 mm square panel versus a round 335 mm compact unit, 33 mm deep.
That makes the choice mostly an installation and aesthetics decision, not an audio-performance decision. This article walks through what is shared, what is different, and which rooms each format suits.
What is identical: one platform, one spec sheet
On the manufacturer’s product pages, the two models list the same coverage (25 × 25 ft / 7.6 × 7.6 m, automatic), the same 5 MEMS arrays, the same 100 Hz – 8 kHz voice-band frequency response, the same 96 dB max SPL, 75 dB SNR, 22 dB self-noise, 48 ms latency (excluding Dante), and the same processing suite: acoustic echo cancellation, AI noise reduction, automatic gain control, and mute.
Both are PoE/PoE+ powered (IEEE 802.3af/at, max 3 W), both connect over a single RJ45 with Cat5e or higher cable, both carry UL2043 plenum rating and IP5X dust protection, and both are managed through the same TDM control software and Dante Controller routing.
ACM-582 vs ACM-335 — side by side (source: relacart.com product pages)
| Item | ACM-582 | ACM-335 |
|---|
| Coverage area | 7.6 × 7.6 m, automatic | 7.6 × 7.6 m, automatic |
| Microphone element | 5 MEMS arrays | 5 MEMS arrays |
| Dante/AES67 output | 1 ch, 48 kHz, 24-bit | 1 ch, 48 kHz, 24-bit |
| Max SPL / SNR / self-noise | 96 dB / 75 dB / 22 dB | 96 dB / 75 dB / 22 dB |
| Power | PoE/PoE+, max 3 W | PoE/PoE+, max 3 W |
| Connection | RJ45, Cat5e+ | RJ45, Cat5e+ |
| Plenum / dust rating | UL2043 / IP5X | UL2043 / IP5X |
| AI functions | De-reverb, feedback suppression, AEC, 360° noise reduction | De-reverb, feedback suppression, AEC, 360° noise reduction |
| Control software | TDM | TDM |
| Panel shape | Square | Round |
| Dimensions | 582 × 582 × 51.9 mm | 335 × 335 × 33 mm (335 mm panel diameter) |
The one difference: panel shape, size, and mounting style
The ACM-582 is a large, square ultra-slim panel intended for concealed ceiling installation, and can also be suspended from steel cable or pipe with the optional R-M16 ceiling mount bracket. At 582 mm across and 51.9 mm deep, its footprint is close to standard ceiling tile dimensions, which suits rooms where the microphone should disappear into the ceiling plane.
The ACM-335 is the round compact panel of the same platform: a 335 mm diameter face, 33 mm deep (published as 335 × 335 × 33 mm — the bounding square of a circular panel). Its smaller footprint and lighter visual mass fit rooms where a full-size square panel would look oversized, and where a discreet suspended unit is preferable. As with any product detail, confirm the exact mounting hardware options for your ceiling type with the manufacturer before finalising drawings.
ACM-335 rear view with suspension points (product image: relacart.com)
Coverage planning: same math for both
Because both models cover 7.6 × 7.6 m automatically, unit-count planning does not change between them. Sketch the room, divide it into 7.6 × 7.6 m zones, and add units where talkers sit outside a zone — typically along long boardroom tables or in deep classrooms. Ceiling height, table shape, and microphone-to-talker geometry still matter, so treat the published coverage as a starting point that an integrator verifies against the actual room.
ACM-582 rear view with mounting box (product image: relacart.com)
Which rooms suit which format
As a rule of thumb drawn from the two formats — not from divergent specifications:
- ACM-582 (square panel): integrated ceilings in boardrooms, training rooms, and classrooms where a flush, invisible installation is the priority; rooms with suspended tile ceilings or large open ceiling planes.
- ACM-335 (round compact): smaller conference rooms and meeting spaces where a full-size square panel would dominate the ceiling; retrofit projects with existing fixtures; spaces where suspension hardware is simpler to install than a large flush panel.
- Both: any room whose voice-capture requirements match the shared platform — meetings, lectures, hybrid calls — with Dante/AES67 audio networking already present or planned.
Frequently asked questions
Does the bigger panel pick up sound from farther away?
Per the manufacturer’s published specifications, both models cover the same 7.6 × 7.6 m area automatically. The published data shows no coverage difference between the two formats.
Can I mix ACM-582 and ACM-335 in the same room?
Both are Dante/AES67 endpoints managed through Dante Controller and the TDM software. Mixing them in one room is a system-design question — audio routing is standard, but the manufacturer does not publish a specific combined-coverage guidance, so the layout should be validated by an integrator.
Do both models need the TDM software?
Both list TDM as their control software for EQ, gain, filtering, and LED settings, and both route audio through Dante Controller. There is no software difference between the models.
Is the cabling different?
No. Both use one RJ45 connection with Cat5e or higher (shielded recommended), powered via PoE/PoE+ with a maximum consumption of 3 W.
Which one should I choose for a retrofit with a finished ceiling?
That depends on the ceiling construction: a flush 582 mm panel needs an opening or tile replacement, while the compact unit can be surface-mounted or suspended. This is an installation question, and either format can be suspended; confirm hardware options with the manufacturer for your specific ceiling.
