All this performance is housed in rugged JBL enclosures for years of superb performance. Amplifier manufacturers are building amps that can produce more power at less cost than ever before. The SRX715 lets you unleash that power with a new generation of high power low frequency drivers. That would be enough for most manufacturers, but JBL accomplished this while also greatly reducing the weight of the drivers.JBL uses the patented Differential Drive woofers with neodymium magnets. Neodymium's magnetic properties allow a few ounces to replace pounds of conventional magnet material. While other speaker manufacturers may use neodymium, JBL engineers created a design that reduces the massive and heavy steel top plates, back plates and pole pieces that complete the magnetic circuit. The JBL Differential Drive design uses two voice coils for greater power handling and actually puts the small neodymium magnets inside the voice coil. This design greatly reduces weight while increasing power capacity, decreasing distortion, and reducing power compression.The SRX715 offers the highest level of performance available from a portable pole or tripod mountable speaker. Equipped with a 2265H Differential Drive woofer, the SRX715 handles 800 watts continuous while weighing only 48 lb 22 kg. A 2431H 3" diaphragm, neodymium compression driver on a 75 by 50 horn makes the SRX715 the best choice for general purpose sound reinforcement, liveperformance, music playback or speech
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