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Two white square ceiling speaker units with recessed cones

Valcom, Inc

Valcom, Inc S-422A-2 8" in-ceiling speaker 2-pack 8 Ohm 70 Hz–17 kHz

SKU CH-1ZBC-TQ5KE GTIN 799111017303

A pair of 8-inch in-ceiling speakers rated at 8 ohms and covering 70 Hz to 17 kHz, supplied with baffle and back box for plenum-rated drop ceilings

  • Driver size8 in (20.3 cm)
  • Frequency range70 Hz
  • Rated impedance8 Ohms
  • Product typeIn-Wall Speakers
  • Product colorWhite
  • Full-range sound from 70 Hz to 17 kHz
  • Easy drop-in install with integrated baffle and back box
  • Plenum-rated construction passes ASTM E84 and UL 181 3-hour burn test
  • 25/70-volt line compatibility simplifies distributed audio wiring
  • Matched 8-ohm impedance pair ensures balanced stereo coverage

Valcom 8" In-Ceiling 2-Pack

The Valcom S-422A-2 delivers a pair of 8-inch in-ceiling speakers designed for 25/70-volt distributed audio systems. Each unit integrates the baffle and back box into a single assembly finished in white. The package suits commercial paging, background music and announcement installations where a plenum-rated layout is required.

25/70-Volt System Constraints

These speakers operate on constant-voltage lines at 25 or 70 volts, so they must be wired in parallel with appropriate tap settings rather than connected directly to a low-impedance amplifier output. The integrated back box meets ASTM E84 and UL 181 with a three-hour burn rating, allowing placement in plenum-rated drop ceilings without additional fire-rated enclosures. Installers should verify that the amplifier’s total load stays within its rated power budget.

8-Ohm Nominal Impedance

The 8-ohm nominal impedance determines how each speaker draws power from the transformer taps on a 25/70-volt line. Buyers who need a different impedance to match existing zone wiring or amplifier tap selections should look elsewhere.

How it compares

Measured against everything we stock in Home Speakers & Subwoofers, at today’s prices. Recalculated every night.

Price $139.99
Typical for this category: the median of 1,147 items is $133.99.

Specifications

Product
Brand nameValcom, Inc
Model nameVC-S-422A-2
Product typeIn-Wall Speakers
Product colorWhite
Audio & video
Driver size8 in (20.3 cm)
Frequency range70 Hz
Rated impedance8 Ohms
Size & build
Shipping weight10.20 kg
Package size635 × 635 × 127 mm

Questions about this item

How do the 8" drivers in this 2-pack differ from other Valcom ceiling models?

The S-422A-2 uses 8" drivers with a 70 Hz–17 kHz response and 8 Ohm impedance, while the S-522A-2 is a separate model number with its own specifications.

What bass output can I expect from the 70 Hz low-end in a typical drop-ceiling install?

The 70 Hz lower limit provides usable mid-bass for speech and background music; deeper bass requires a separate subwoofer.

Does the 25/70-volt transformer cap the maximum SPL or frequency range?

The transformer taps set power levels for distributed lines; they do not alter the 70 Hz–17 kHz driver response or the 8 Ohm nominal impedance.

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