JBL LSR4328P 8" Active Studio Monitors (Pair)


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The first studio monitors with powerful network intelligence built into each speaker specifically designed to deliver an accurate mix in any room.

Introducing the JBL LSR4300 Studio Monitors featuring RMC Room Mode Correction, JBL's exclusive technology that automatically analyzes and corrects the response of each speaker in the room for absolute accuracy at the mix position. The first studio monitors with powerful network intelligence built into each speaker specifically designed to deliver an accurate mix in any room, the LSR4300's are the ultimate monitor for modern production studios.

The LSR4300 models feature stunning JBL sound, provide accurate mixes in any workspace, and are priced well within the reach of any project studio. The first self aware monitoring system, they're the only choice for music, post, broadcast, Surround 5.1, and beyond.

These specially priced pairs of monitors also include a wireless remote and analysis microphone, as well as LSR Control Center software.

Beyond Accurate

Great mixes start with an accurate monitor. The 4300 Series incorporates JBL’s Linear Spatial Reference Technology that matches the exact geometry of the 4300’s waveguide design with its transducers and crossover network to optimize the frequency response at the mix position. To ensure that this incredibly accurate monitor delivers superb mixes in the room you’re working in, JBL’s next generation RMC™ Room Mode Correction system incorporates a powerful analyzer into each speaker that automatically analyzes and compensates for problems caused by low frequency standing waves and proximity to boundaries. Truly putting technology to work, all of this is accomplished by simply plugging the LSR4300 calibration microphone into the speaker and pushing a button. A JBL first, the LSR4300 meter provides a reference of the output from each speaker in the system. The results are a revolution in professional mixing: a calibrated listening environment where the monitors truly work in harmony with the room. This creates a stunningly clear and articulate sound stage enabling reliable mixes that translate faithfully to the outside world.

Engineered for Digital Production

Today’s digital production environments are all about precision and control. The LSR4300’s powerful DSP platform provides full system networking and communication. Comprehensive LSR4300 Control Center Software provides total control of all system parameters directly from the workstation desktop. High resolution digital and analog inputs, plus a ‘virtual monitor section’ with input switching, master volume, mute and solo controls, enhance functionality of the entire system and provide comprehensive control at the mix position. The first professional studio monitor with automatic room compensation, centralized system control, and user-friendly simplicity, the LSR4300 Series is the most elegant and intelligent advancement of technology on behalf of better mixes ever offered in a studio monitor.


•  Frequency Response: +/-1.5 dB: 55 Hz – 20 kHz; -3 dB: 47 Hz – 22 kHz; -10 dB: 39 Hz – 32 kHz
•  SPL / 1m (Continuous/Peak) 106 dB / 112 dB
•  Transducers (LF, HF) 8” 436H / 1” 431 G; Self-Shielded, Neodymium Motor Structures
•  Sensitivity +4 dBU, -10 dBV 96 dB / 1m
•  Amplification (LF, HF) 150 w/ 70 w
•  Digital Processing 24 Bit, 96 kHz
•  Analog Inputs XLR, 1/4” Balanced, +4 dBU, -10 dBV
•  Digital Inputs AES/EBU XLR, S/PDIF RCA
•  Data Connections Harman HiQnet™ Network, USB, RMC Mic
•  Weight 13.1 kg (29 lb)
•  Dimensions (H x W x D) 438 mm x 267 mm x 269 mm (17.25 in x 10.5 in x 10.6 in)

Things You Will Get:

  • 2 Monitors
  • Power Cable
  • CAT5 Cable
  • Manual


by PowerReviews
Series LSR
Other Features Room Mode Correction, HiQnet Networking, Linear Spatial Reference Design, Surround Smart
Model LSR 4328P
Warranty Info:

LSR4328P 8" Active Studio Monitors (Pair)

The JBLWarranty on professional loudspeaker products (except for enclosures) remains in effect for five years from the date of the first consumer purchase. JBL amplifiers are warranted for three years from the date of the original purchase. Enclosures and all other JBL products are warranted for two years from the date of the original purchase.