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JBL 8340A High Power Cinema Surround System (Pair)
  • JBL 8340A High Power Cinema Surround System (Pair)
  • JBL 8340A High Power Cinema Surround System (Pair)
  • JBL 8340A High Power Cinema Surround System (Pair)

JBL 8340A High Power Cinema Surround System (Pair)

Manufacturer: JBL Professional

Item #: JBL-8340A   •   MFG #: 8340A


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The 8340A Cinema Surround Speaker offers very high power handling, high sensitivity, and extended bass response in a very compact enclosure. The two way 8340A's proven reliability and performance features have positioned it as the industry standard for the extended dynamic range required by digital sound formats.

The 8340A features a high power, long-throw 250 mm (10 in) low frequency driver for smooth, extended bass response. The high frequency section combines a 25 mm (1 in) coil diameter titanium diaphragm compression driver with a constant coverage horn for very high output capability and wide, even high frequency coverage. The 250 watt continuous power rating (1000 wattpeak) provides extended dynamic range required for digital sound tracks with absolute reliability. Its modern, molded black textured enclosure with black grille enhances any decor.

JBL's QuickMount bracket allows one person to quickly and simply mount the very lightweight enclosure on a previously installed bracket half.

Built to traditional JBL quality standards, the 8340A will stand up tolong-term use under adverse conditions while delivering excellent performance.

  • Features

    • 45 Hz to 18 kHz Frequency Range
    • High Sensitivity, 96 dB SPL, 1 W, 1 m (3.3 ft)
    • High Power Handling Capability: 250 watts continuous pink noise
    • Convenient mounting design uses JBL QuickMountTM, Omnimount or APC Multimount brackets
    • Special cabinet shape incorporates 20° angled front baffle
    • SMPTE/ISO2969 Curve X high frequency de-emphasis
    • Lightweight, rigid molded enclosure
    • Input terminals located on top of cabinet for quick access
    • Uniform horizontal and vertical coverage
    • Approved by Lucasfilm, Ltd. for THX installations
  • Specifications

    • Frequency Range: 45 Hz - 18 kHz (-10 dB)
    • Frequency Response: 75 Hz - 16 kHz (±3 dB)
    • Power Rating: 250 watts continuous pink noise, 1000 watts peak
    • Sensitivity: 96 dB SPL, 1W @ 1m (3.3 ft)
    • Nominal Impedance: 8 ohms
    • Hor. Coverage Angle (-6 dB): 100° averaged 400 Hz to 12 kHz
    • Vert. Coverage Angle (-6 dB): 80° averaged 400 Hz to 12 kHz
    • Directivity Factor (Q): 7 averaged 400 Hz to 12 kHz
    • Directivity Index (DI): 8.4 dB averaged 400 Hz to 12 kHz
    • Crossover Frequency: 2.2 kHz
    • High Frequency Contour: ISO2969 Curve X surround contour
    • Polarity: EIA (Positive voltage to RED terminal gives
    • Low Frequency Transducer Nominal Diameter:: 250 mm (10 in)
    • High Frequency Transducer Nominal Diameter: 25 mm (1 in)
    • Downward Firing Angle: Nominal 20° when mounted flush on back panel
    • Enclosure Material: Textured Black H.I.P.S. Plastic
    • Grille Color: Black
    • Input Connectors: 5-way binding posts
    • Dimensions (H x W x D): 457 mm x 457 mm x 260 mm (18 in x 18 in x 10.25 in)
    • Net Weight: 8.6 kg (19 lb)

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