JBL Control 328CT 8 Inch 2-Way 250W Coaxial 70V/100V Ceiling Speaker - front view | Silarius JBL Control 328CT 8 Inch 2-Way 250W Coaxial 70V/100V Ceiling Speaker - side view | Silarius JBL Control 328CT 8 Inch 2-Way 250W Coaxial 70V/100V Ceiling Speaker - angle view | Silarius
JBL Control 328CT 8 Inch 2-Way 250W Coaxial 70V/100V Ceiling Speaker - front view | Silarius
JBL Control 328CT 8 Inch 2-Way 250W Coaxial 70V/100V Ceiling Speaker - side view | Silarius
JBL Control 328CT 8 Inch 2-Way 250W Coaxial 70V/100V Ceiling Speaker - angle view | Silarius

JBL Control 328CT 8" 2-Way 250W Coaxial 70V/100V Ceiling Speaker

$374.06 $540.00
Brand: JBL By HarmanReviews
You save $165.94 (30%)
Available to order. Usually ships within 72 hours.
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  • 30-day returns counted from delivery. Return policy
  • Manufacturer's warranty from JBL By Harman. Warranty
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The JBL Control 328CT is a passive 8" coaxial ceiling speaker with a multi-tap transformer designed for voice amplification and foreground music reproduction in waiting rooms, offices, retail stores, and restaurants. With a low-saturation transformer for compatibility with a 70V/100V power amplifier (available separately), this 2-way speaker provides a long-term power capacity of 250W (1000W peak). The Control 328CT is equipped with a durable 8" Kevlar-reinforced cone and a titanium-diaphragm compression driver, yielding an extended frequency response of 60 Hz to 16 kHz.

The cone and pre-attached baffle serve as a high-frequency waveguide, which results in reliable 120° broadband coverage while the built-in crossover network ensures proper frequency distribution to the speaker components. A removable locking connector with screw-down terminals ensures easy wiring at the desired power tap setting.

Coaxial ceiling speaker with pre-attached ported baffle
Low-saturation 68W multi-tap transformer enables use with 70V/100V constant-voltage systems
Long-term power handling of 250W (1000W peak)
Durable 8" Kevlar-reinforced cone with 2" voice coil
Low-frequency cone and shaped mounting baffle perform as a true 12" diameter waveguide for the high frequencies
Metal throat transitions smoothly to the horn to eliminate high-frequency beaming
High-temperature voice coil
High-frequency driver features a pure titanium diaphragm for high sensitivity and long life, a diamond surround for resonance control, and FerroFluid for increased power handling
Consistent 120° coverage on a broadband basis
Built-in crossover network with 18 dB/octave high-pass filter and 12 dB/octave low-pass filter
Removable multi-pin locking connector with secure screw-down terminals allows pre-wiring of inputs for easy clip-on convenience during installation
Compatible with MTC-RG6/8 and MTC-SG6/8 grilles, and MTC-300BB8 backbox (all available separately)

  • 380W of Power
  • 118 dB Maximum SPL
  • 10" Low-Frequency Woofer
  • 6 x 2" High-Frequency Drivers
  • Six-Channel Mixer with Bluetooth Audio
  • Two Channels of Mic/Line Inputs with EQ
  • Channels 3 & 4: Stereo 1/4" or RCA
  • Channels 5 & 6: 3.5mm Stereo Input
  • Compact Design for Portability
  • Includes 2 Height Spacers

Shipping

Free US shipping on orders over $200. Orders under $200 ship at the rate shown at checkout. Oversized items ship by freight; we confirm the quote with you first.

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Returns

Return within 30 days of delivery. Opened items may carry an open-box fee of up to 30%, set by our QA team on inspection. Return shipping is paid by the customer.

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Damaged or wrong item?

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JBL By Harman warranty

This product is covered by the manufacturer's warranty. We help you with the claim from start to finish.

Warranty details

Support from real people

Setup questions, compatibility, firmware: chat with a specialist or email info@silarius.com, Monday to Friday, 8am to 4pm ET.

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Business accounts

Approved businesses can pay on Net 30 / PO terms after their second completed order.

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Frequently Asked Questions

What environments is the JBL Control 328CT 8" 2-Way 250W Coaxial 70V/100V Ceiling Speaker rated for?+
Check the product specs for rated impedance, frequency response, and environmental or IP ratings for the JBL Control 328CT 8" 2-Way 250W Coaxial 70V/100V Ceiling Speaker by JBL By Harman.
What amplifier power does the JBL Control 328CT 8" 2-Way 250W Coaxial 70V/100V Ceiling Speaker need?+
Match your amplifier's RMS output to the speaker's rated RMS for optimal sound quality and longevity.
Is the JBL Control 328CT 8" 2-Way 250W Coaxial 70V/100V Ceiling Speaker easy to install?+
Most speakers include mounting hardware. Consult a professional installer for ceiling, pendant, or wall-mount applications.
Does Silarius offer support for the JBL Control 328CT 8" 2-Way 250W Coaxial 70V/100V Ceiling Speaker?+
Yes. Contact us at silarius.com/contact for pre-sale and post-sale technical support on all JBL By Harman products.

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