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Moondrop Harmon Headphones - In Ear Monitors HUGE PRICE DROP!!!! Unbeatable price!!These gorgeous and wonderful sounding iems are in as-new condition and selling cheap!!!SpecificationModel: Harmon In-ear Monitors (Coaxial Four-Cavity Frequency Crossover / Three Dynamic Drivers)Driver Configuration: 10mm Dynamic Driver with Glass Dome Composite Diaphragm + Dual 10mm Paper Cone Composite Diaphragm Bass Dynamic Driver(H.O.D.D.D.U.S.)Impedance: 19Ω±15% (@1kHz)Sensitivity: 114dB/Vrms (@1kHz)Frequency Response Range: 10Hz-60kHzTHD: THD≤O.1% (@1kHz, 94dB)Effective Frequency Response Range: 20Hz-20kHz
Is A$220 a fair price for the Moondrop Harmon, or are you overpaying for its triple-driver magic? Based on our database of 11 recent AUD listings, the median used price is A$68, with the 75th percentile at A$176; this A$220 asking price clearly exceeds that top quartile, making it an ambitious premium rather than a bargain. While the listing condition is unknown, the price sits well above the typical market range where most units trade between A$57 and A$176.
That premium only justifies itself if the unit is pristine, original-owner condition with all accessories intact, given the Harmon’s unique coaxial triple 10mm dynamic driver design and VDSF tuning that delivers a distinct, wide soundstage. These IEMs are well-regarded for their innovative inline configuration and wonderful sound quality, offering a rare three-driver experience in a compact form. However, unless you confirm excellent condition and completeness, the A$220 price feels steep compared to the A$68 median, so treat this as a high-risk buy unless the seller proves exceptional value.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Moondrop emerged in 2015 from Chengdu Shuiyueyu Technology Co., Ltd., a Chinese firm founded by a team of audio engineers passionate about high-fidelity sound. Rooted in the burgeoning Chi-Fi scene, the brand quickly distinguished itself through industrial design, technological innovation, and collaborations with research labs, blending artistry with acoustic precision to challenge established norms in personal audio.
The company specializes in portable audio gear, with a core focus on in-ear monitors (IEMs), earphones featuring dynamic drivers and balanced armatures, earbuds, and custom models. It has expanded into headphones, digital DAC/AMP units, smart audio equipment, and even ACGN-themed accessories, while maintaining a reputation for software integration and consistent tuning aligned with the Harman target curve for broad appeal.
Moondrop holds a commanding position as Chi-Fi's most successful IEM maker, excelling in the mid-tier market with exceptional value—delivering neutral, detailed sound that rivals pricier rivals without compromising quality. Its consistency, aggressive pricing, and cult following among enthusiasts solidify it as a go-to for discerning buyers seeking performance over prestige.
See all Moondrop listings on RADAR.
