JBL LSR 4328P Mains & LSR 4312SP 12" Subwoofer - 2.1 Powered Studio Monitor System (Local Pickup Only)

Selling a complete, professional-grade 2.1 active studio monitoring setup consisting of a pair of JBL LSR 4328P bi-amplified 8" main monitors and the matching JBL LSR 4312SP 450-watt 12" powered subwoofer.

This is an incredible, highly accurate reference system for mixing, mastering, post-production, or high-end sound design. The integrated DSP and proprietary RMC (Room Mode Correction) system analyze and calibrate the speakers to your specific room layout, which is a lifesaver for treating low-end standing waves in home or commercial studio spaces.

Technical Condition:

• Drivers & Cones: Excellent. The 8" polymer-coated paper fiber main woofers, 1" silk dome tweeters, and the massive 12" subwoofer driver are completely pristine—no creases, no dents, and the surrounds are in perfect shape.
• Amplifiers & Electronics: 100% fully operational. No self-generated noise, scratchy pots, or component hum. The Class-AB monolithic amplifiers (150W LF / 70W HF on the mains, 450W on the sub) deliver clean, massive headroom.
• Front Panel & DSP: All LED segment meters, buttons, and display tracking operate perfectly. Digital inputs (AES/EBU and S/PDIF) lock onto sample rates flawlessly.
• Cosmetics: Good, clean condition with only minor cosmetic wear on the outer cabinets from standard studio positioning. Clean rear input plates and tight connection jacks. Kept in a smoke-free, climate-controlled studio environment.

System Specifications:

• LSR 4328P Mains: 8" Neodymium woofer, 1" Silk dome tweeter, 220W total bi-amplification per speaker, 50 Hz – 20 kHz (+/- 1.5 dB) frequency response.
• LSR 4312SP Subwoofer: 12" Neodymium driver, 450W discrete Class-A/B amplification, extends low-end response down to 27 Hz. Features a comprehensive 5-channel bass management network.
• Connectivity: Balanced Analog XLR and 1/4" TRS inputs (+4 dBu / -10 dBV selectable sensitivity), Digital AES/EBU (XLR) and S/PDIF (RCA), and Harman HiQnet network networking via RJ45.

What’s Included:

• (2) JBL LSR 4328P Active Monitors
• (1) JBL LSR 4312SP Active Subwoofer
• Power cables for all units
• Includes original RMC calibration microphone and wireless remote control

Local Pickup Details (Portland Metro Area)

• Location: Available for local pickup in the Southwest Portland area
• Shipping:Strictly NO shipping. This system is incredibly heavy (mains are~30 lbs each, and the subwoofer is a solid 66 lbs) and requires safe transport.
• Testing: Happy to set them up and pass audio so you can verify they work perfectly before loading them into your vehicle.
• Payment: Cash, Venmo, or Cash App.

Price: $1,300 OBO

Serious inquiries only. If the listing is still up, the setup is still available.