JBL IRX115S 15-inch Powered Subwoofer

18 MONTH SPECIAL FINANCING*
Applying for Financing is Quick and Easy!
- Apply: There are two easy ways to apply for financing. A credit application can be completed over the phone in a matter of minutes with a Kraft Music team member. Applications can also be completed online.
- Purchase: All financing orders are completed over the phone. Once you're approved, give us a call at 800-783-3368 to place your order! Or you can contact us and set up a time that works best for you!
Terms and Conditions
No interest if paid in full within 18 months*
On select brands purchased with your Synchrony credit card. Interest will be charged to your account from the purchase date if the promotional purchase is not paid in full within 18 Months. Minimum monthly payments required. No minimum purchase price unless stated.
*Qualifying purchase amount must be on one receipt. No interest will be charged on the promo purchase if you pay it off, in full, within the promo period. If you do not, interest will be charged on the promo purchase from the purchase date. The required minimum monthly payments may or may not pay off the promo purchase by the end of the promo period. Regular account terms apply to non-promo purchases and, after promo period ends, to the remaining promo balance. For new accounts: Purchase APR is 29.99%. Minimum interest charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.
Credit is extended by Synchrony Bank.
The JBL IRX115S powered subwoofer, the newest model in the IRX series of versatile, cost-conscious portable P.A.s, extends the low-frequency response of IRX systems down to a room-shaking 35 Hz.
The 15” IRX115S draws from JBL’s top professional touring technologies to deliver superior sound without the guesswork, thanks to custom driver and amplifier designs; tuned, ported enclosure; and built-in crossover and polarity settings. It all adds up to an impressive 128 dB of deep, powerful bass, in a rugged, ultralight cabinet weighing just 65.3 pounds.
The IRX Series offers legendary JBL fidelity, power and ease of use at a fraction of the price and size of comparable systems. The 8-inch IRX108BT and the 12-inch IRX112BT are fully loaded with features that make it easy to dial in incredible sound in an instant—from real-world EQ presets and dbx DriveRack automatic feedback suppression to Bluetooth streaming and one-touch ducking.
Budget-conscious musicians, DJs, presenters and fitness instructors can count on versatile, full-featured JBL IRX Series portable P.A.s to deliver stunning sound, no matter their experience level.
- Powerful 15” woofer with 3” voicecoil generates smooth, detailed, deep LF response
- Selectable 80 Hz, 100 Hz and 120 Hz crossover points are optimized for JBL IRX Series loudspeakers
- Frequency response: 35 Hz – 147 Hz (-10 dB)
- Max SPL: 128 dB
- Weight: 65.3 pounds
- Power rating: 1,300W
- I/Os: 2 XLR Combo, 2 XLR out
- Polarity switch optimizes system response
- Lightweight, road-tested MDF cabinet
- Ported enclosure enhances output and reduces woofer noise
- Ergonomic handles make transport easy
- Reinforced grille offers rugged protection without compromising acoustic performance
- Built-in standard pole mount allows integration with IRX108BT, IRX112BT and other loudspeakers
Be Heard, Loud and Clear
The IRX115S leverages more than 70 years of JBL speaker innovation to deliver superior frequency response, sound pressure levels and sheer power. Inside, a powerful 15” woofer with 3” voicecoil delivers low-frequency coverage down to 35 Hz; a high-efficiency amp helps protect the woofer and driver while ensuring top-level acoustic performance. Selectable 80 Hz, 100 Hz and 120 Hz crossover points smooth out system response, especially when used with IRX100 Series loudspeakers; a tuned port reduces woofer noise.
Portable and Durable
The tough, lightweight IRX115S is engineered to outperform larger boxes in a compact form factor weighing just 65.3 pounds. Its durable MDF enclosure features a tight-gauge, reinforced honeycomb bevel pattern that offers rugged protection without compromising acoustic performance. Transport is easy, thanks to thoughtfully designed ergonomic handles. And it’s all verified by JBL’s legendary 100-hour stress test.
Great Sound, Made Simple
With the IRX Series, perfect sound is just a button push away. Simple settings adjust crossover and polarity to optimize system sound in any space. Pair the IRX115S with IRX Series powered loudspeakers and access Bluetooth audio streaming, dbx automatic feedback suppression, ducking and EQ presets to sound your best in any space.
SKU | JBL-IRX115S |
---|---|
MPN | JBL-IRX115S-NA |
Manufacturer | JBL |
Condition | New |
Speaker Application | Subwoofer |
Active/Passive | Active |
Enclosure Material | MDF |
Enclosure Covering | Reinforced grille |
Woofer/Low Frequency | 15” woofer with 3” voicecoil |
Frequency Response | 35 Hz – 147 Hz (-10 dB) |
Power | 1,300W |
Connectors | 2 XLR Combo, 2 XLR out |
Protection Circuit | Yes |
Pole Mount | Yes |
Product Weight | 65.3 |
JBL Warranty
The Warranty Card provided with your JBL product contains the full terms and conditions of your warranty.
Unless a different warranty period is stated in the Warranty Card provided with your JBL product, JBL warrants for a period of 1 year (5 years for any non-powered speakers) from the date of retail purchase by the original end-use purchaser, that this product, when delivered to you in new condition, in original packaging, from a JBL authorized reseller and used in normal conditions, is free from any defects in manufacturing, materials and workmanship.
Refer to the Warranty Card provided with your JBL product for specific details including what is not covered along with other terms and conditions.
- Ground shipping is FREE for all orders $99 and up.
- Our central, midwest location ensures fast delivery times.
- See below for transit day estimates. Please note, these are estimates and are not guaranteed.

Generally, package estimated transit days are as follows:
- Upper Midwest: 1-3 days
- Central US, South East US, and East Coast: 2-4 days
- West Central US: 3-5 days
- West Coast: 4-6 days
- Alaska & Hawaii: 7+ days