ADV. (ADVANCED) / MODEL 4 THUNDER BASS

＜＜Feb 2026 New Product！＞＞ ADV.'s "Model 4" features 9mm beryllium-coated drivers, delivering thunderous bass and high-resolution sound. Its ergonomic design and over-ear hooks provide a comfortable and stable fit even during extended use. Featuring a detachable MMCX cable, this is a full-featured IEM perfect for professional use.

■ Thunderous, Thunderous Bass
- The precision-engineered 9mm beryllium driver's deep vibration stroke drives the diaphragm at high speed. This maximizes air movement while delivering powerful, controlled bass. It reproduces every detail without burying the high frequencies, achieving a high level of balance between powerful bass and high-resolution sound.

■ Detachable MMCX Cable
- The detachable cable conforms to the MMCX standard. Re-cabling allows for flexible upgrades and customization of sound quality. It's designed for long-term use, allowing for easy replacement in the event of a cable break, and expanding the enjoyment of pursuing your own preferred sound. The included cable uses silver-coated copper wire for superior signal transmission.

■ Truly Designed for Musicians
- Ergonomic design and over-ear memory hooks ensure a stable fit and reduce strain on the ears, even during intense movements on stage or in the studio. The design provides a comfortable, uninterrupted fit, even during extended monitoring and listening sessions.

■ Wide range of ear tips and accessories
- A total of 10 pairs of ear tips are included, including the unique "Eartune Fidelity U" oval ear tips that fit naturally in the ear, as well as foam and standard silicone tips. Choose the optimal sound isolation and fit for your individual ear shape. A shockproof case is also included.

Specifications

Product Name: Model 4

Driver: 9mm beryllium-coated dynamic driver

Frequency Response: 20Hz - 40kHz

Impedance: 16ohm +/- 15%

Sensitivity: 110dB +/- 3dB at 1kHz

Input Power: 2mW Rated / 5mW Maximum

Housing Material: Stainless steel, resin (one-piece molding)

Weight: Approximately 5g per earphone

Connector: MMCX

Cable: Silver-coated copper wire (approximately 1.5m / 3.5mm stereo mini plug)

Accessories: Silicone ear tips (3 pairs), Earthune Fidelity U (4 pairs), Foam ear tips (3 pairs), Shockproof case, Adapter