Brand New • Factory Sealed

What’s in the Box

• TOA F-1522SC ceiling speaker

• Paintable front grille (factory finish)

• Documentation

Overview

The TOA F-1522SC is a compact 4" full-range ceiling speaker with wide, even coverage—ideal for paging and background music in retail, restaurants, offices, lobbies, classrooms, clinics, and more. It supports 25/70/100V distributed audio plus 8Ω/16Ω direct modes, and the front-baffle tap selector makes setup or later adjustments quick and tool-light. Low profile, paintable steel grille blends into most ceilings. 

Key Features

• 4" full-range driver with wide dispersion for uniform SPL over a large area. 

• Built-in 25/70/100V transformer and low-impedance 8Ω/16Ω terminals. 

• Front-panel power-tap selector for easy verification/changes after install. 

• Paintable steel grille and fire-resistant ABS baffle/rim (UL-94 V-0 material rating). 

• Ultra-compact depth with clean, flush look; optional HY-RR1 reinforcement ring for drop ceilings.

Technical Specifications

• Frequency Response: 65 Hz – 18 kHz (-10 dB)
  (45 Hz – 20 kHz at -20 dB, half-space install) 

• Sensitivity: 88 dB SPL (1 W @ 1 m). 

• Continuous Program Power: 18 W (8Ω) / 12 W (16Ω).

• Transformer Taps:

  • 100 V: 6 W (1.7 kΩ), 3 W (3.3 kΩ)

  • 70 V: 6 W (830 Ω), 3 W (1.7 kΩ), 1.5 W (3.3 kΩ)

  • 25 V: 0.75 W (830 Ω), 0.4 W (1.7 kΩ), 0.2 W (3.3 kΩ)

  • Direct: 8Ω and 16Ω terminals available. 

• Driver: 10 cm (4") cone, full-range. 

• Dispersion (typical): very wide; TOA F-series spec notes ~160° conical (1–4 kHz avg.) on distributor listing. (Useful for fewer speakers per zone.) 

• Dimensions:

  • Outside diameter: Ø155 mm (6.13")

  • Ceiling cutout: Ø135 mm (5.31")

  • Max rear depth above ceiling: 108 mm (4.25")

  • Max ceiling thickness: 37 mm (1.46")

  • Weight: ~1.0 kg (2.2 lb) 

• Terminals: Spring-loaded push-in with 2 input + 2 pass-through (bridging). 

• Finish/Materials: Fire-resistant ABS baffle/rim; paintable white steel grille; dust cover. 

Installation Notes

• Easy clamp-style ceiling mount; grille rotates for fast service. 

• For suspended/drop ceilings, TOA recommends the HY-RR1 reinforcement (C-ring) accessory. 

Typical Applications

• Retail / Restaurants / Cafés

• Offices / Conference spaces

• Schools / Hallways / Libraries

• Healthcare / Waiting areas

• Hospitality / Lobbies / Corridors

Item Specifics

• Brand: TOA

• Model: F-1522SC

• MPN: F-1522SC

• Driver Size: 4 in

• RMS Power: 6 W (transformer tap)

• Program Power: 18 W (8Ω)

• Impedance: 25V/70V/100V taps + 8Ω/16Ω direct

• Frequency Response: 65–18,000 Hz

• Sensitivity: 88 dB (1W/1m)

• Mounting Cutout: Ø135 mm (5.31")

• Max Ceiling Thickness: 37 mm (1.46")

• Grille Color/Finish: White, paintable