The JBL SRX725 / PRX725 is a high-output, dual 15-inch, two-way PA speaker delivering powerful audio performance. Designed for live sound reinforcement, it features dual woofers, neodymium tweeter, rugged birch cabinet, and selectable bi-amp or full-range operation. With a peak SPL up to ~139 dB, it’s ideal for concerts, events, and installations.
Key Features
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Dual 15-inch (380 mm) Differential Drive woofers for deep, low distortion bass. JBL Professional Loudspeakers+1
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High-frequency neodymium compression driver (~4″ voice coil) for crisp mids and highs. JBL Professional Loudspeakers+1
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Bi-amplified or passive mode selectable, giving flexibility in system design. JBL Professional Loudspeakers+1
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Coverage pattern ~75° x 50°, which balances wide audience coverage with control. JBL Professional Loudspeakers+1
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Built in a durable 11-ply birch plywood cabinet with protective DuraFlex finish. B&H Photo Video+1
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Rugged design including steel grille, side handles for transport. B&H Photo Video+1
Technical Specifications
| Spec | Details |
|---|---|
| Frequency Range (-10 dB) | ~37 Hz to 20 kHz JBL Professional Loudspeakers+1 |
| Frequency Response (±3 dB) | ~53 Hz to 20 kHz JBL Professional Loudspeakers+1 |
| Power Handling | Passive Mode: ~1,200 W RMS, with higher program/peak power ratings (~2,400 W / ~4,800 W) JBL Professional Loudspeakers+1 |
| Sensitivity | Around 99 dB with 1W / 1m in passive mode B&H Photo Video+1 |
| Maximum SPL | ~136 dB peak JBL Professional Loudspeakers+1 |
| Impedance | Passive mode: ~4 Ω; HF section: ~8 Ω in bi-amp mode Dekings Musicals+1 |
| Coverage Angle | ~75° horizontal × 50° vertical JBL Professional Loudspeakers+1 |
| Cabinet Material | 11-ply birch plywood, DuraFlex finish B&H Photo Video+1 |
| Weight | ~43 kg (≈ 96 lb) Credible Sounds+1 |
| Dimensions | Approx. 1219 × 541 × 508 mm (H × W × D) Dekings Musicals+2Credible Sounds+2 |
Why Choose the JBL 725 Series?
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Perfect for large venues, concerts, outdoor events, or any setting needing strong sound projection.
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Flexible operation (bi-amp or passive) makes it easier to optimize depending on amplifier strength and system setup.
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Rugged and road-worthy build design, good for touring or frequent setup/tear-down.
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High SPL and robust frequency range make it suitable for both music and speech.





