I’m selling a used pair of Sterling Audio MX3 active studio monitors in excellent, fully functional condition.
This highly affordable near-field monitoring setup is popular for desktop mixing and home editing suites.
Sterling Audio MX3 Powered Studio Monitor Pair (Black)Condition: Excellent / Like New (Mint cosmetic condition, fully tested, no cone damage or wear)
Core Specifications
* Driver Configuration: 2-Way Active System
* Low-Frequency Driver: 3" acoustically engineered woofer cone
* High-Frequency Driver: 3/4" silk-dome tweeter with neodymium magnets
* Power Output: 40 Watts total (Class A/B amplification; 2 × 20 Watts)
* Frequency Response: 55 Hz - 22 kHz
* Total Harmonic Distortion (THD): 0.3%
* Crossover Frequency: 5,000 Hz
* Enclosure: Bass Reflex with rear port design (reduces low-frequency turbulence)
* Finish: Dual matte black and polished ebony
Inputs, Outputs, and Controls
* Main Inputs: Unbalanced RCA inputs
* Front Access: 3.5mm TRS stereo input (for Auxiliary sources like smartphones)
* Headphone Jack: 3.5mm TRS front-mounted headphone out (mutes the speakers when connected)
* Controls: Front-mounted volume and power (push/pull or rotary) with backlit Sterling logo
Included Cables:
* Power Cable: Standard AC power cord (connects the active "Left" speaker to the wall)
* Speaker Link Cable: 1/8" (3.5mm) TS or proprietary connector to link the Active (Left) monitor to the Passive (Right) monitor
* Audio Input Cable: RCA to 3.5mm cable (for connecting to a smartphone, PC, or standard audio interface) OR dual RCA to dual RCA cable