SRX915SF - Subwoofer JBL - Free user manual and instructions
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| Product Type | Passive Subwoofer |
| Driver Size | 15 inches (380 mm) |
| Frequency Response | 40 Hz - 200 Hz (±3 dB) |
| Power Capacity (Program) | 2400 W |
| Power Capacity (Peak) | 4800 W |
| Impedance | 4 ohms |
| Sensitivity (1W/1m) | 100 dB SPL |
| Enclosure Type | Bass-reflex (vented) |
| Dimensions (H × W × D) | 19.3 × 24.5 × 28.6 in (490 × 622 × 726 mm) |
| Weight | 101 lb (45.8 kg) |
| Connectors | 2 × Neutrik speakON NL4 |
| Suspension Points | 16 × M10 threaded points |
| Grille | Punched steel with acoustic black mesh |
| Handles | 4 × recessed, side and rear |
| Recommended Amplifier | 1000 - 2000 W @ 4 ohms per channel |
| Applications | Live sound, portable PA, fixed installation |
| Maintenance | Clean grille with damp cloth; check connections periodically |
| Safety | Use secure stacking or suspension; avoid exposure to moisture |
| Spare Parts & Repairability | Replaceable driver and components; contact JBL service |
Frequently Asked Questions - SRX915SF JBL
What is the power handling of the JBL SRX915SF?
The SRX915SF handles 2400 W program power (4800 W peak) when used with a suitable amplifier.
Can this subwoofer be used outdoors?
Yes, but it must be protected from direct rain and moisture. The enclosure is durable but not waterproof.
How do I connect the SRX915SF to an amplifier?
Use speakON NL4 connectors. For a single sub, connect to pins +1/-1; for daisy-chain, use parallel outputs.
What crossover frequency is recommended for the SRX915SF?
A typical crossover frequency is 80–120 Hz, depending on the application and tops used.
How should I clean the grille?
Remove the grille and clean with a soft brush or damp cloth. Do not use solvents or abrasive cleaners.
Is the SRX915SF compatible with JBL SRX800 series tops?
Yes, the SRX915SF pairs well with SRX812P or SRX835P tops via speakON connections and appropriate processing.
What is the impedance of the SRX915SF?
The nominal impedance is 4 ohms. Check your amplifier's minimum load rating.
How can I transport the SRX915SF safely?
Use the recessed handles and a padded cover. The sub is heavy (101 lb) so use a dolly for longer distances.
What amplifiers are recommended for the SRX915SF?
Amplifiers delivering 1000–2000 W per channel at 4 ohms, such as JBL Crown XTi or similar.
What should I do if the subwoofer produces no sound?
Check amplifier signal, speakON connections, and ensure crossover settings are correct. Test with a known working cable.
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USER MANUAL SRX915SF JBL
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Product information
Brand : JBL
Model : SRX915SF
Category : Subwoofer