Installed Sound 8100 Series : AE : AE Compact : CBT Series : Control 1 Pro  : Control 200  : Control 2P : Control 300 : Control 40 : Control 5 : Control Contractor : Control Contractor 50 Series Sub/Sat. : Control CRV : Custom Shop : PD5000 Series : PD700 : VERTEC : VLA  : VP : VRX       Control 1 Pro Two-Way Professional Compact Loudspeaker System   Brochure Spec Sheet Hi-Res Image Representing the next-generation in professional high-performance, compact loudspeaker systems, the Control® 1 Pro builds on its proud heritage while incorporating the latest innovations in JBL Professional loudspeaker systems design. Features :   Specifications : 150 Watts Continuous Power Handling Professional Drivers and Crossover Network Included Mounting Bracket Transparent and Faithful Sonic Performance Magnetically Shielded Transducers SonicGuard™ Overload Protection Available in Black or White Finishes   Frequency Range (-10 dB)   :   80 Hz to 20 kHz Frequency Response (± 3 dB)   :   I00 Hz - 18 kHz Power Capacity   :   I50 W Sensitivity   :   87 dB SPL, 1 W, 1 m (3.3 ft) Maximum SPL   :   108 dB continuous, 114 dB peak Directivity Factor (Q)   :   6.0 Directivity Index (DI)   :   7.8 Nominal Impedance   :   4 ohms Crossover Frequency   :   4.2 kHz Overload Protection   :   Full-range SonicGuard™ power limiting to protect network and transducers LF Drivers   :   135 mm (5.25 in) low frequency loudspeaker HF Drivers   :   19 mm (.75 in) polycarbonate dome tweeter Input Connectors   :   Spring-loaded terminals Enclosure Material   :   Polypropylene Structural Foam Finish   :   Black (C1Pro) or White (C1Pro-WH) Dimensions   :   235 mm x 159 mm x 143 mm (9.3 in x 6.3 in x 5.6 in) Net Weight (ea.)   :   1.8 kg (4 lb) Shipping Weight (pair)   :   4.6 kg (10 lb) Included Accessories   :   Mounting Bracket Assembly Optional Accessories   :   MTC-1A ultra-duty mount bracket MTC-8 heavy-duty mounting bracket