Open-back on-ear headphones with 44 mm X2 drivers, aluminium housings, a leather headband, Signature Silver cable and Grado’s fast, vivid presentation. Read more.
The Grado Labs SR325 Classic combines Grado’s vivid, direct presentation with precision-machined aluminium housings. Its new 44 mm X2 dynamic drivers are tuned for fast articulation, controlled bass, forward midrange clarity and crisp high-frequency extension. The Signature Silver headband assembly features a genuine leather strap, while the lighter and more flexible Signature Silver cable makes these open-back on-ear headphones particularly suitable for focused listening at home.
Explore all Grado Labs products and our selection of on-ear headphones.
| Headphone type | Wired, open-back and on-ear |
| Transducer type | Dynamic |
| Operating principle | Open air |
| Driver diameter | 44 mm |
| Driver construction | Mylar diaphragm, copper voice coil and rare-earth magnet system |
| Frequency response | 18 Hz - 24 kHz |
| Sound pressure level | 98 dB SPL at 1 mW |
| Nominal impedance | 38 ohms |
| Driver matching | 0.05 dB |
| Housing | Precision-machined aluminium |
| Headband | Signature Silver with genuine leather strap and internal steel spring band |
| Ear cushions | Grado F cushions |
| Cable | Grado Signature Silver |
| Connection | 3.5 mm stereo mini jack with removable 6.35 mm adaptor |
Because of its open-back construction, the SR325 Classic does not isolate the listener from surrounding noise, while music can also be audible to people nearby. It is therefore best used in a quiet listening environment. The internal steel spring band allows the headband’s clamping pressure to be adjusted to suit personal preference.
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