TOA PC-648R – Full-Range Ceiling Speaker, 70/100V
TOA PC-648R – Full-Range Ceiling Speaker, 70/100V is backordered and will ship as soon as it is back in stock.
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Product Overview
The TOA PC-648R is a compact full-range ceiling speaker with a built-in 70 V / 100 V transformer for distributed commercial audio. Its spring-clamp mounting and shallow depth make it a fast install for background music and paging in offices, retail, and education spaces. Selectable transformer taps let integrators set per-speaker power for even coverage across large 70/100 V speaker lines. It is priced and sold per unit.
Product Description

The PC-648R is a ceiling-mount loudspeaker built for 70 V and 100 V constant-voltage distribution systems, the standard architecture for commercial background music and paging. A 12 cm (5 in) cone driver with a ferrite magnet delivers clear speech and program audio, with a frequency response of 100 Hz to 18 kHz and 90 dB sensitivity. The integrated line transformer offers 1 W, 3 W, and 6 W taps, so designers can balance level zone by zone without changing amplifiers. Two spring clamps mounted on opposite sides of the baffle secure the speaker into a ceiling cutout for tool-light installation and service. The polypropylene baffle and steel grille in off-white (RAL9010) suit most commercial ceilings. Its shallow 77 mm depth fits tight ceiling and plenum cavities common in retrofit projects. The speaker pairs with TOA mixer amplifiers and is sold individually so integrators can order to exact zone counts.
Key Features
- 70 V / 100 V transformer — Integrates directly into constant-voltage distributed audio lines for paging and background music.
- Selectable power taps — 1 W, 3 W, and 6 W settings let designers balance SPL zone by zone.
- Spring-clamp mounting — Two opposed clamps secure the speaker into a ceiling cutout for quick install and service.
- Clear speech and program audio — 12 cm cone with 100 Hz–18 kHz response and 90 dB sensitivity.
- Shallow depth — 77 mm profile fits tight ceiling and plenum cavities in retrofits.
- Commercial-grade finish — Polypropylene baffle and off-white steel grille blend into most ceilings.
Technical Specifications
| Driver | 12 cm (5 in) cone, ferrite magnet |
|---|---|
| Rated Power | 6 W (15 W program) |
| Line / Taps | 70 V & 100 V; 1 W / 3 W / 6 W taps; 8 Ω nominal |
| Frequency Response | 100 Hz – 18 kHz |
| Sensitivity | 90 dB SPL (1 W, 1 m) |
| Baffle / Grille | Polypropylene baffle; steel grille, off-white (RAL9010) |
| Mounting | Two spring clamps |
| Dimensions | 168 mm dia. × 77 mm deep |
| Weight | 470 g |
Specifications per TOA published datasheet (PC-648R). Confirm against the manufacturer datasheet before final specification.
At Creartion Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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