top of page



Two-Way High-Output Indoor-Outdoor Monitor Speaker

Two-Way, High Output Indoor-Outdoor Monitor Loudspeaker with 260mm (10 in) LF and 2414H-C Compression Driver.  Extended Bandwidth, Extremely Smooth Response. Outdoor Capability to IP-55.  33 Hz – 19 kHz. 250 Watts,  92 dB Sensitivity.  Included InvisiBall® Hardware Plus Ten 6 mm Attachment Points For Suspension and Optional U-Bracket.  Includes 70V/100V Input Line Transformer with Taps at 150W, 75W, and 38W (Plus 19W  At 70V only), Plus 8 ohm Bypass Position.  593 x 372 x 345 mm (23.3 x 14.6 x 13.5 in).  18.8 kg (41.5 lb). Priced as Each, Packed as Singles. 



  • 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.

JBL CONTROL 31-WH Two-Way, High Output Indoor-Outdoor Monitor Loudspeaker

$926.68 Regular Price
$741.00Sale Price
  • Frequency Range (-10 dB) 33Hz – 19kHz
    Frequency Response (±3 dB) 42Hz – 14kHz
    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)
    Nominal Sensitivity 92 dB
    Coverage Angle 110° x 110°
    Directivity Factor (Q) 5.7, averaged 500 Hz to 10 kHz
    Directivity Index (DI) 7.3 dB, averaged 500 Hz to 10 kHz
    Nominal Impedance 8 ohms
    Crossover Type 2nd order low-pass, 2nd order high-pass, plus conjugate shaping circuitry.
    Transformer Taps 70V: 150W, 75W, 38W, 19W
    100V: 150W, 75W, 38W 
    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
    Low Frequency 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.
    High Frequency 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 Material 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.
    Installation 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.
    Environmental 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.
    Termination 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).
    Agency Rating Transformer is listed per UL1876
    Colors white (-WH, RAL9003)
    Dimensions 593 x 372 x 345 mm (23.3 x 14.6 x 13.5 in)
    Weight (ea) 18.8 kg (41.5lb)
    Shipping Weight (ea) 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
bottom of page