JBL Control 28-1 Professional Indoor/Outdoor 8" Background & Foreground Speaker | 70V/100V | 8Ω

JBL Control 28-1 Professional Indoor/Outdoor Speaker

The JBL Control 28-1 is a professional 2-way 8-inch loudspeaker designed for high-output indoor and outdoor background and foreground music applications. Featuring a woven fiberglass woofer, PEI diaphragm tweeter with fluid cooling, and wide 100° × 100° coverage, it delivers powerful and consistent sound for demanding commercial installations.

Its weather-resistant construction and built-in InvisiBall® mounting system provide reliable performance and flexible installation options. The Control 28-1 supports both 8Ω low-impedance operation and 70V/100V distributed audio systems through its built-in multi-tap transformer.

Key Features

• 8" woven fiberglass cone woofer
• 1" PEI diaphragm tweeter with fluid cooling
• Contemporary high-design appearance
• Built-in InvisiBall® mounting hardware
• Optional U-bracket mounting support
• Weather-resistant enclosure and transducers
• Wide 100° × 100° coverage
• 120W continuous power handling at 8Ω
• 240W continuous program power
• Built-in 60W 70V/100V multi-tap transformer
• Frequency range of 45Hz – 20kHz

Technical Specifications

• Model: JBL Control 28-1
• Speaker Type: 2-Way Full-Range Loudspeaker
• Low Frequency Driver: 200mm (8") Woven Fiberglass Cone Woofer
• High Frequency Driver: 25mm (1") PEI Diaphragm Tweeter with Fluid Cooling
• Frequency Range (-10dB): 45Hz – 20kHz
• Frequency Response (±3dB): 62Hz – 16kHz

Power Rating

• 120W Continuous Pink Noise
• 240W Continuous Program
• 480W Peak Continuous Pink Noise

Audio Performance

• Maximum SPL: 112dB Continuous / 118dB Peak
• Sensitivity: 91dB (1W/1m)
• Coverage Angle: 100° × 100°
• Directivity Factor (Q): 7.3
• Directivity Index (DI): 8.3dB
• Nominal Impedance: 8Ω
• Crossover Type: 2nd Order Low-Pass, 1st Order High-Pass, plus Conjugate Shaping
• Maximum Input Voltage: 27.5V RMS / 55.0V Peak

Transformer Taps

• 70V: 60W / 30W / 15W / 7.5W
• 100V: 60W / 30W / 15W
• Insertion Loss: <0.94dB at any tap setting
• Thru Setting: 8Ω Nominal

Recommended Protective High-Pass Filter

• 45Hz High-Pass (24dB/Oct) for 8Ω operation
• 55Hz for 15W and 7.5W taps
• 65Hz for 30W tap
• 75Hz for 60W tap

Construction & Installation

• Enclosure Material: High Impact Polystyrene (HIPS) with 10% glass fill and UV-resistant paint finish
• Grille: Zinc-plated steel with durable TGIC polyester powder coating
• Installation: InvisiBall® wall-mount system with two 6mm attachment points and secondary safety attachment loop
• Connection: Screw-down terminal strip
• Environmental Rating: IP-44
• Environmental Rating with Optional Accessories: IP-55 with optional WeatherMax™ grille and MTC-PC2/MTC-PC3 panel cover

Dimensions & Weight

• Dimensions (H × W × D): 386 × 282 × 219mm
• Depth with InvisiBall® Bracket: 277mm
• Net Weight: 6.8kg (Each)
• Shipping Weight: 15.4kg

Included Accessories

• InvisiBall® Wall Mounting System
• 6mm × 180mm Hex Key