Product Overview

The JBL Control 19CST is a passive 8-inch in-ceiling installation subwoofer with a multi-tap transformer, sold as a pair, that adds low-frequency reinforcement to distributed foreground music systems. Driven by 70V/100V power amplifiers, this 70V in-ceiling subwoofer provides 200 W of program power and covers 42 to 200 Hz with minimal visual impact. Its Nested Chamber design and Linear Dynamics port deliver extended bass from a compact enclosure, suiting boardrooms, restaurants, retail spaces, and commercial meeting areas on constant-voltage lines.

Product Description

The Control 19CST uses a durable long-excursion 200 mm (8 in) woofer in a Nested Chamber enclosure that provides an acoustic low-pass character, allowing it to augment full-range ceiling speakers without an external crossover. A built-in multi-tap transformer matches the subwoofer to 70V/100V distributed systems, and the Linear Dynamics port extends deep bass output. The product ships with a grille, backcan, and tile rails for fast installation, along with a simple wire-connection method. It is the constant-voltage counterpart to the 8-ohm Control 19CS. Browse related models in our JBL Professional installed audio collection.

Key Features

• Sold as a pair Two Control 19CST in-ceiling subwoofers are included.
• 8-inch long-excursion woofer A durable 200 mm driver delivers low-frequency reinforcement.
• Multi-tap 70V/100V transformer The built-in transformer matches the subwoofer to constant-voltage distributed systems.
• 42 to 200 Hz response Low-frequency support for foreground music systems.
• 200 W program power handling Rated for 200 W program power.
• Nested Chamber and Linear Dynamics port Extended bass and acoustic low-pass character from a compact enclosure.
• Fast installation Packaged with grille, backcan, and tile rails for quick fitting.

Typical Applications

• Boardroom
• Conference room
• Commercial meeting space
• Multi-purpose room

Technical Specifications

Full electrical specifications, including transformer tap values, should be confirmed against the JBL Control 19CST specification sheet.

Frequently Asked Questions

What amplifier does the Control 19CST require? It is designed for 70V/100V power amplifiers, which are sold separately, and matches to the line through its built-in multi-tap transformer.

How does it differ from the Control 19CS? The 19CST adds a multi-tap 70V/100V transformer for distributed systems; the 19CS is the 8-ohm version of the same subwoofer.

Does it need a separate crossover? No. The Nested Chamber acoustic low-pass design lets it augment full-range ceiling speakers without an external crossover.

What is included for installation? The pair ships with a grille, backcan, and tile rails for quick fitting.

What warranty and support apply? The Control 19CST carries the JBL Professional warranty, and Creation Networks can assist with transformer-tap planning and amplifier matching.