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JBL 310SMKIII

JBL LSR310S MKIII Powered Studio Subwoofer 10inch

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Product Information

The JBL 310S MkIII extends the performance of the JBL 3 Series MkIII monitoring system with deep, controlled low-frequency reproduction engineered for today’s music production, content creation, post-production, and immersive audio workflows.

Featuring a redesigned 10-inch low-frequency driver, patented Slipstream™ port, powerful 300-watt Class D amplification, and flexible crossover management, the 310S MkIII delivers authoritative bass extension down to 26 Hz (-10 dB) while maintaining the accuracy and transient response demanded by professional production environments.

The redesigned acoustic platform combines a newly engineered 10-inch low-frequency driver, advanced magnetic system, patented Slipstream™ port, and downward-firing cabinet architecture to deliver deeper extension, greater output capability, and exceptionally controlled bass reproduction. Whether producing music, mixing film, or monitoring immersive content, the 310S MkIII reproduces the lowest octave with remarkable clarity, impact, and precision.

Selectable crossover frequencies at 80 Hz, 100 Hz, and 120 Hz allow the 310S MkIII to integrate seamlessly into a wide range of professional monitoring systems, while an external crossover bypass option provides compatibility with dedicated bass management systems. Professional balanced inputs make connection to audio interfaces, monitor controllers, and immersive monitoring systems straightforward.

A newly designed 300-watt Class D amplifier provides exceptional low-frequency headroom with ultra-low self-noise and outstanding dynamic performance. Combined with the redesigned 10-inch driver, the amplifier delivers up to 116 dB peak SPL, producing clean, controlled bass at every playback level without sacrificing definition or musicality.

Features

  • New 10-inch low-frequency driver delivers greater output, lower distortion, and deep bass extension down to 26 Hz
  • Downward-firing 10-inch woofer provides consistent, room-filling bass with reduced interaction and more uniform dispersion
  • Patented double-flared Slipstream™ port reduces turbulence for tight, articulate bass at all levels
  • Selectable 80 Hz, 100 Hz, and 120 Hz crossover frequencies for flexible system integration
  • External crossover bypass supports use with dedicated bass management systems
  • Powerful 300-watt Class D amplifier delivers exceptional low-frequency headroom
  • Maximum peak output of up to 116 dB SPL
  • Balanced Neutrik® combo inputs for professional connectivity
  • Suitable for stereo, surround, and immersive monitoring systems
  • 26 Hz low-frequency extension supports accurate monitoring of kick drums, bass instruments, cinematic effects, and immersive content

Specifications

  • LF Driver Size: 250 mm (10")
  • Crossover: 80 Hz / 100 Hz / 120 Hz / External, user selectable
  • OK For Use Near Magnetically Sensitive Equipment: Yes
  • Input Sensitivity (-10 dBV Input): 92 dB / 1 m
  • Power Configuration: PBTL
  • LF Driver Power Amp: 300 W, Class-D
  • Frequency Response (±3 dB): 27 Hz – 370 Hz
  • Frequency Range (-10 dB): 26 Hz – 480 Hz
  • Low Frequency Extension (-10 dB): 26 Hz
  • Maximum RMS SPL: 104 dB
  • Maximum Peak SPL: 116 dB
  • Maximum Peak Input Level (-10 dBV / +4 dBu): +7 dBV / +21 dBu
  • Electrical Distortion Criteria: <0.1% THD @ 1 W output, <1% THD @ full rated output
  • Sample Rate: 192 kHz
  • Input Impedance: 20 kΩ
  • Signal To Noise Ratio: 75 dB, A-Weighted, relative to 1 W output
  • Analog Input Types: 1 x Neutrik Combo, balanced
  • AC Input Voltage: 100-240 VAC (+/- 10%), 50/60 Hz
  • Enclosure Type: Ported
  • Enclosure Construction: 18 mm MDF
  • Enclosure Finish: Matte black PVC
  • Baffle Construction: Injection-molded structural ABS, UL 94 V-0
  • Rear Panel Construction: 2 mm SPCC
  • Cabinet Dimensions (H x W x D): 458 x 354 x 417 mm
  • Net Weight: 16.9 kg
  • Shipping Gross Weight: 22.8 kg
  • UPC Code: 691991042072

Warranty

2 Year (Extended to 5 Years via Registration) Warranty
Warranty & Support 

All products are backed by the original manufacturer’s warranty, giving you confidence that your purchase is protected. If you ever need to make a claim, the process is simple — just email us at warranty@belfieldmusic.com.au with the following info:

Name:
Invoice/Order Number:
Item:
Fault Description:
Serial Number:
Email:
Contact Number:
Address:
 
Our team will guide you through the next steps and arrange a repair, replacement, or refund where applicable. We aim to make the process quick and stress-free, so you can get back to enjoying your gear as soon as possible. 

 

Shipping Policy

All orders over $200 will be automatically eligible for FREE Shipping Australia Wide, if you order is under $200 there will be a flat rate of $12.

Belfield Music is well known for its top online customer service. We treat all online customers with the same excellent service we give to our in store customer. We will ensure that you receive all the support you need while your goods are in transit and ensure the goods arrive promptly. All of our shipments have tracking numbers available and we cover every single unit by our own shipping insurance.     

Online orders are normally processed within 1-3 business days. Once processed, your order should take between 1-8 business days to arrive depending on your location. Please note that your order may take up to 10 business days to arrive from the day you place your order. 

If it transpires that the product is out of stock due to a stock discrepancy and/or there will be a delay in shipment, we will contact you within 2 business days of placing your order and give you the option of waiting or cancelling your order. The products we advertise online should show if they are in stock or not. We do our best to keep the website stock count up to date, but there may be an occasional error.

If you wish to utilize an Express Delivery Service to receive your item, please contact us for a shipping quote before you place your order at admin@belfieldmusic.com.au or by using the Chat icon on the bottom right of the page.           

Deliver is made during the hours from 8:00am till 5:30pm Monday to Friday. As such, please ensure you nominate an address which is capable of receiving goods during 8am and 5.30pm.  Given the restrictions on PO Box deliveries we cannot deliver larger sized items to a PO Box.

If for any reason our selected carriers don't service your area we will contact you before processing your order if this applys to you.

 

Returns Policy

If you wish to return an item which is not damaged or faulty in any way and you have simply changed your mind or made the wrong decision, you must let us know within 7 days of receiving the item.  We will not agree to refund an item because you simply changed your mind or made the wrong decision if we have not been advised of your intention within 7 days of receiving your item. Once we have provided a return authority, it is the buyer’s responsibility to return the item, at their own costs within 30 days from original purchase. If the item is returned with any damage or alteration to its original packaging, we will refund the item subject to applying a minimum 15% restocking fee.  We will not refund the costs of the initial shipping charges.

It is in Belfield Music best interests to keep our customers happy with their purchases. If you are not happy with your purchase, please talk to us first. We will always attempt to resolve any problems you may have as best we can. To contact us please email us at admin@belfieldmusic.com.au or by using the Chat icon on the bottom right of the page.