The Control 28-1L is a versatile two-way 8” speaker designed for high-fidelity performance and wide coverage in both indoor and outdoor settings. Its sleek, contemporary look makes it a perfect fit for diverse environments such as retail stores, restaurants, health clubs, theme parks, educational facilities, and hospitality venues. The speaker features a unique InvisiBall mounting system, which simplifies installation and provides both vertical and horizontal rotation. The mounting adjustments are made through a hidden access behind the logo badge, which enhances security and eliminates the need to remove the grille.
The Control 28-1L’s LF driver utilizes a woven fiberglass cone for durability and weather resistance, paired with a high-temperature fiberglass voice coil former and wire for stable performance under high power conditions. The pure butyl rubber surround and JBL’s WeatherEdge™ technology ensure clean sound and added protection. The HF driver features a PEI diaphragm and Kapton™ voice coil former for smooth high-frequency response and increased durability. The cabinet is engineered to withstand harsh conditions, with zinc-plated, powder-coated grilles and optional WeatherMax™ grilles for extreme environments. The speaker is capable of handling 120 watts continuous pink noise (240 watts program) and delivers a maximum SPL of 112 dB. It also supports a range of paints and finishes to match any décor and is available in black or white.
Specifications
**JBL Control 28-1L Key Specifications:**
– **Frequency Range:**
– (-10 dB): 45 Hz – 20 kHz
– (±3 dB): 62 Hz – 16 kHz
– **Power Rating:**
– Continuous Program: 240W (2 hrs)
– Continuous Pink Noise: 120W (480W peak) for 2 hrs; 90W (360W peak) for 100 hrs
– **Maximum Input Voltage:** 27.5 V RMS (2 hrs), 55.0 V peak
– **Maximum SPL:**
– Average Continuous Pink Noise: 112 dB
– Peak: 118 dB
– **Sensitivity:** 91 dB, 1W/1m (average 100 Hz – 10 kHz)
– **Coverage Angle:** 100° x 100°
– **Directivity Factor (Q):** 7.3 (averaged 1 kHz – 16 kHz)
– **Directivity Index (DI):** 8.3 dB (averaged 1 kHz – 16 kHz)
– **Nominal Impedance:** 8 ohms
– **Crossover Type:**
– 2nd order low-pass
– 1st order high-pass
– Conjugate shaping circuitry
– **Recommended Protective High-Pass:** 45 Hz high-pass (24 dB/oct)
– **Transducers:**
– **Low Frequency:** 200 mm (8 in) woven-fiberglass cone with pure butyl rubber surround, Weather-Edge frame protection, high-temp fiberglass voice coil former, high-temp voice coil wire, optimized cone geometry, linear suspension spider, FEA optimized motor structure
– **High Frequency:** 25 mm (1 in) PEI diaphragm, low-viscosity ferromagnetic fluid, lightweight Kapton™ voice coil former
– **Physical Enclosure Material:** High Impact Polystyrene (HIPS) with 10% glass fill; UV-resistant paint on white (-WH) version
– **Grille:**
– Highly zinc-plated, TGIC polyester powder coating
– Optional WeatherMax™ grille (MTC-28WMG-1) with multi-layer foam and tight-weave mesh vapor barrier
– **Installation:**
– InvisiBall™ wall-mounting system included
– Two 6 mm attachment points for optional MTC-28WMG-1 U-bracket
– Secondary safety attachment loop point on back panel
– **Environmental:**
– IP-44 per IEC529 (IP-55 with optional WeatherMax™ grille and protective panel covers)
– Exceeds MilSpec 810 for humidity, salt-spray, temperature & UV
– Passes MilStd-202F for salt spray and ASTM G85 for acid-air plus salt spray
– **Termination:** Screw-down terminal strip; accepts up to 9 mm outside, 4 mm inside open lugs, and bare wire (up to 12 AWG / 2.5 mm²)
– **Agency Rating:** ROHS-compliant
– **Colors:** Black (RAL9004) or white (-WH, RAL9016)
– **Dimensions (H x W x D):** 386 x 282 x 219 mm (15.2 x 11.1 x 8.6 in); 277 mm (10.9 in) deep with InvisiBall bracket
– **Net Weight (each):** 6.2 kg (13.5 lbs)
– **Shipping Weight (pair):** 13.4 kg (29.5 lbs)
– **Included Accessories:** InvisiBall™ wall-mounting system, 6 mm x 180 mm hex key
– **Optional Accessories:**
– MTC-28UB-1 – Yolk-type U-bracket
– MTC-28WMG-1 – WeatherMax grille with backing
– MTC-28/25CM – Ceiling-Mount InvisiBall adapter
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