SRX718S - Subwoofer JBL - Free user manual and instructions
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| Product Type | Subwoofer |
| Brand | JBL |
| Model | SRX718S |
| Driver | 18-inch low-frequency driver |
| Frequency Response | 33 Hz - 220 Hz |
| Sensitivity (1W/1m) | 95 dB SPL |
| Nominal Impedance | 4 ohms |
| Power Handling (Continuous) | 800 W |
| Power Handling (Peak) | 3200 W |
| Enclosure Type | Vented (bass reflex) |
| Connectors | 2 x Neutrik SpeakON NL-4 |
| Dimensions (H x W x D) | 572 x 502 x 572 mm |
| Weight | 29.5 kg (65 lb) |
| Construction | Plywood enclosure with black DuraFlex finish |
| Grille | 18-gauge steel grille with acoustic transparent foam |
| Recommended Amplifier | 800 W - 1600 W into 4 ohms |
| Application | Live sound reinforcement, DJ setups, installed systems |
| Maintenance | Wipe with a dry cloth; keep grille free of dust |
| Safety | Ensure proper grounding and secure stacking to prevent accidents |
| Repairability | Replacement driver, grille, and connectors available as spare parts |
Frequently Asked Questions - SRX718S JBL
What is the power handling of the JBL SRX718S?
The JBL SRX718S subwoofer handles 800 W continuous and 3200 W peak. Choose an amplifier that delivers between 800 W and 1600 W into 4 ohms for optimal performance.
What is the impedance of the SRX718S?
The nominal impedance is 4 ohms. Make sure your amplifier is stable at 4 ohms to avoid overheating or distortion.
How do I connect the SRX718S to my amplifier?
Use a Neutrik SpeakON NL-4 cable from the amplifier output to one of the two connectors on the subwoofer. The other connector can be used to daisy-chain to another speaker while maintaining correct polarity.
What type of applications is this subwoofer designed for?
The SRX718S is designed for live sound reinforcement, DJ performances, and installed sound systems. Its high power handling and deep bass response make it ideal for music with strong low-end content.
Can I use the SRX718S outdoors?
Yes, you can use it outdoors, but protect the subwoofer from direct rain and extreme moisture. The cabinet is rugged, but the driver and electronics are not waterproof. Place it on a secure, raised surface to avoid water damage.
How should I clean and maintain the subwoofer?
Clean the enclosure with a soft, dry cloth. Remove dust from the grille using a vacuum or brush. Avoid water, solvents, or abrasive cleaners, as they can damage the finish and the speaker components.
Does the SRX718S have a built-in amplifier?
No, the SRX718S is a passive subwoofer. It requires an external amplifier to deliver power. Use a compatible amplifier with the correct wattage and impedance settings.
What are the physical dimensions and weight of the SRX718S?
The subwoofer measures 572 x 502 x 572 mm (height x width x depth) and weighs 29.5 kg (65 lb). Check the mounting or stacking area to ensure proper support.
Can I stack or fly the SRX718S safely?
Yes, the cabinet is designed for stacking and includes provisions for M20 threaded pole or optional flying hardware. Always follow the safety guidelines in the manual and secure the subwoofer to prevent tipping or falling.
What is the frequency response of the SRX718S?
The SRX718S reproduces frequencies from 33 Hz to 220 Hz. This range covers deep sub-bass as well as upper bass, making it versatile for music and audio production.
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USER MANUAL SRX718S JBL
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Product information
Brand : JBL
Model : SRX718S
Category : Subwoofer