GRADO / GH4

The limited production model GRADO GH4 is an open-back headphone that uses high-quality Norwegian pine wood as the housing material. It uses special processing techniques ""quarter-sawn cut"" and ""hardening processing"". The combination of the carved full-size pine wood housing and the Grado signature dynamic driver produces a unique sound.

■ Sound worthy of the Limited Edition
- Made with high-quality Norwegian pine wood that provides a warm sound and deep tone. Accurately reproduces the ""Grado sound"" that has been cultivated for over 60 years. Creates outstanding value in terms of performance and its compact size.

＜Specifications＞
■Headphones
■Type: Open air
■Air chamber: Norwegian pine
■Diaphragm: Exhaust type
■Diaphragm diameter: 45mm
■Frequency response: 14-28,000Hz
■Channel balance: 0.05dB
■Impedance: 32Ω
■Sensitivity: 99.8dB
■Connection cord length: Approximately 1.8m
■Weight: Approximately 170g (excluding cable)
■Total weight: Approximately 240g
■Input terminal: 3.5mm stereo mini plug
■Headband: Genuine leather with built-in side pressure adjustment plate
■Accessories: 1/4 inch standard plug adapter
■UPC code: 850929008614