EarSonics S-EM9 In-ear Monitor Earphones w/Premium Ear Tips & Travel Accessories
Listed · 73 Views
Time Left: 10 Days
Ending: 12/04 at 08:25 AM ET
New Retail Price:$1,799.00
$499.00 USD
| Condition | |
| Quantity | 0 |
| Payment methods | |
Contact seller after sale to pay via Express Checkout | |
| Ships from | Denver, CO, 80222 |
| Ships to | United States |
| Package dimensions | unspecified |
| Voltage | unspecified |
| Shipping carrier | UPS |
| Shipping cost | Free |
| Original accessories | Box, Manual |
| Research Pricing |
This is an open box item with no found cosmetic issues, all accessories and the original box. The box may show some wear and tear. This unit still carries its full manufacturer's warranty and has been fully tested to be sonically flawless. If there are any found issues, please contact us through the Audiogon portal or via warehousedeals@listenup.com. We will do everything we can to make it right as quickly as possible.
The EarSonics S-EM9 In-Ear Monitors offer premium audio with nine proprietary drivers and a 3-way passive crossover system for ultra-clear sound. Designed for audiophiles, these handcrafted acrylic earphones feature a unique triple-channel sound bore for enhanced treble and phase accuracy. Unlike typical IEMs, they use custom-tuned Knowles drivers exclusive to EarSonics. With a detachable cable and rich accessory set, the S-EM9 ensures a top-tier listening experience in both comfort and clarity.
Details

EarSonics S-EM9 IEM In-Ear Monitor Headphones
- 9 proprietary balanced-armature drivers for detailed, high-resolution audio.
- Custom 3-way crossover system for accurate frequency separation.
- Unique triple-bore design for optimal treble extension and phase alignment.
- Handcrafted acrylic housing ensures comfort and acoustic integrity.
- Detachable, robust 2-pin cable with standard 3.5mm plug.
- Includes a premium set of ear tips and travel accessories.
Experience high-fidelity sound like never before with the EarSonics S-EM9 In-Ear Monitors - the pinnacle of universal-fit audio engineering. Developed as the evolution of the acclaimed S-EM6 and informed by the technologies behind the EM32 and Velvet, the S-EM9 encapsulates everything EarSonics has learned about premium audio. Handcrafted from high-grade acrylic, the S-EM9 integrates nine proprietary balanced-armature drivers powered by a 3-way passive crossover to deliver an ultra-detailed, immersive audio experience.
Unlike standard IEMs that rely on off-the-shelf components, the S-EM9 features custom Knowles drivers developed exclusively for EarSonics. This ensures unmatched sonic precision and clarity, particularly in the mids and highs. Thanks to its three-bore asymmetrical channel design, the S-EM9 offers optimal phase alignment and exceptional treble extension. With ergonomic comfort, a lightweight detachable cable, and a host of included accessories, the S-EM9 is built for discerning audiophiles who crave both luxury and performance.
EarSonics S-EM9 Specifications:
- Drivers: 9 proprietary balanced-armature drivers (1 low, 4 mid, 4 high)
- Crossover: 3-way passive crossover system
- Impedance: 38.5 ohms
- Frequency Response: 5 Hz – 20 kHz
- Housing: Handcrafted acrylic shell
- Cable: Detachable 2-pin connection, lightweight design
- Termination: Standard 3.5mm single-ended mini stereo plug
- Included Accessories:
- 2 pairs of Comply foam tips
- 2 pairs of silicone tips
- 1 pair of double-flange tips
- Cleaning tool
- User manual
- Hardshell cloth-covered carry case
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Return Policy
Return Window
Item can be returned within 30 days of receipt.
General Terms
Items must be returned in their original condition, with all included packing materials and no signs of use. Buyer assumes responsibility for all shipping return costs unless the item was not received as described.
Refunds
Buyer will receive a full refund in the original payment method less any shipping charges.
Special Conditions
All returns and support are only available within the continental US.


