- Components:
• 250 mm (10 in) woven fiberglass cone LF driver with 52 mm (2 in) voicecoil.
• High-output 2414H-C compression driver with 25 mm (1 in) exit, unique (patented) design and high-temperature polymer diaphragm. - 250 Watt capability (in 8Ω thru setting), plus 150 Watt transformer for 70V or 100V distributed lines,
with 8Ω thru bypass. - Extended bandwidth, extremely smooth frequency response
- Highly outdoor-capable design with included WeatherMax™ multi-layer grille and optional marine-kit grille for salt-air environments.
- 110° x 110° symmetrical coverage.
- Includes InvisiBall® mounting hardware plus ten 6 mm attachment points for suspension and optional U-bracket.
- Included sealed input panel cover and screw-down input terminals for secure connection.
Description
JBL Control 31 Indoor Outdoor Monitor Speaker is a high-performance two-way loudspeaker engineered for professional indoor and outdoor sound reinforcement. Designed for commercial audio systems, the JBL Control 31 Indoor Outdoor Monitor Speaker delivers powerful, balanced sound with excellent speech clarity and consistent music reproduction for large venues.
The speaker features a 10-inch woven fiberglass low-frequency driver and a high-output JBL 2414H-C compression driver with a high-temperature polymer diaphragm. Its wide 110° × 110° coverage ensures even sound distribution while reducing the number of loudspeakers required. The built-in 150 W transformer supports both 70V and 100V distributed audio systems and also provides 8-ohm bypass operation for flexible installation.
Built for demanding environments, the JBL Control 31 Indoor Outdoor Monitor Speaker includes a durable WeatherMax multi-layer grille, weather-resistant enclosure, SonicGuard protection, and JBL's InvisiBall mounting system for secure installation and precise aiming. Optional U-bracket, ceiling-mount adapter, and marine-kit grille provide additional installation flexibility for indoor, outdoor, and coastal applications.
The JBL Control 31 Indoor Outdoor Monitor Speaker is ideal for stadiums, theme parks, hotels, shopping malls, schools, transportation hubs, restaurants, houses of worship, and other commercial venues requiring reliable high-output audio performance. Its rugged construction, wide coverage, and premium JBL sound quality make it an excellent choice for professional sound installations.
JBL Control 31 Indoor Outdoor Monitor Speaker Features
| Specification | Details |
|---|---|
| Frequency Range (-10dB) | 33 Hz – 19 kHz |
| Frequency Response (±3dB) | 42 Hz – 14 kHz |
| Power Ratings | 250 W (1000 W peak), 2 hrs 200 W (800 W peak), 100 hrs |
| Maximum SPL (1m) | 116 dB continuous (123 dB peak) |
| Sensitivity | 92 dB |
| Coverage Angle | 110° H x 110° V |
| Directivity Factor (Q) | 5.7, averaged 500 Hz to 10 kHz |
| Directivity Index (DI) | 7.3 dB, averaged 500 Hz to 10 kHz |
| Impedance | 8 ohms |
| Crossover Type | 2nd order low-pass, 2nd order high-pass, plus conjugate shaping circuitry |
| Transformer Taps | 70V: 150 W, 75 W, 38 W, 19 W 100V: 150 W, 75 W, 38 W Insertion loss: <0.65 dB at any tap setting Thru setting: 8Ω nominal |
| Recommended High-Pass | Protective 40 Hz high-pass (24 dB/oct) for any transformer tap and for 8Ω operation |
| Drivers | LF: 250 mm (10 in) woven-fiberglass cone with pure butyl rubber surround, 52 mm (2 in) voice coil on high-temperature fiberglass voice coil former, optimized cone geometry, linear suspension spider, FEA-optimized motor construction, aluminum ring on pole piece HF: JBL 2414H-C compression driver with 25 mm (1 in) diaphragm and voice coil diameter, high-temperature polymer diaphragm, JBL-patented design, fluid-cooled |
| Enclosure | High Impact Polystyrene (HIPS) with 10% glass fill plus patent-pending internal 5 mm foamed polyurethane secondary mold for additional cabinet density |
| Grille | Zinc-plated and thermoset-composite coated steel, WeatherMax™ multi-layer foam with tight-weave mesh vapor barrier |
| Mounting Hardware | InvisiBall wall-mounting system included. Ten 6 mm attachment points on cabinet for suspending or for optional U-bracket. One 6 mm secondary safety attachment point (for forged shoulder steel eyebolt, not included) on back panel. |
| Outdoor Capability | IP-55 per IEC529. Exceeds MilSpec 810 for humidity, salt-spray, temperature & UV. Passes MilStd-202F for salt spray. Optional MTC-30MK marine-kit grille increases longevity in highly corrosive environments. |
| Input Connectors | Screw-down terminal strip, zinc-plated copper based, nickel-plated metal screws and washers. Accepts up to 9 mm outside 4 mm inside open lugs (#6, #8, or #10 lug), plus bare wire (up to 12 AWG / 2.5 mm²). |
| Safety Agency | Transformer is listed per UL1876 |
| Colors | Black (RAL9004) or white (-WH, RAL9003) |
| Dimensions (H x W x D) | 593 x 372 x 345 mm (23.3 x 14.6 x 13.5 in) |
| Net Weight (each) | 18.8 kg (41.5 lb) |
| Shipping Weight (each) | 22.0 kg (48.5 lb) |
| Included Accessories | 1 pc MTC-PC2 input panel cover, InvisiBall wall-mounting system, 6 mm x 305 mm InvisiBall hex wrench |
| Optional Accessories | MTC-30MK marine-kit grille in black or white (-WH), consisting of grille and protective covers for baffle screws MTC-30CM (&-WH) ceiling-mount adapter for installing speaker down from the ceiling MTC-30UB (&-WH) U-bracket |