The Denali D30SP is an extremely lightweight headset that offers exceptional performance and outstanding comfort. Engineered to fit unlike any other aviation headset, the D30SP provides excellent passive noise attenuation, a secure and comfortable fit and extremely reliable performance. Lightweight – At 11 ounces, the D30SP fixed-wing headset is the lightest model available. Comfort – ComLeather™ ear seals help abate noise and offer a comfortable fit. The sleek ear domes stay securely in place, reducing side force. Noise Reduction – Passive 21dB NRR rating No Risk Warranty – Satisfaction guaranteed from ear to ear. Three year warranty. HEADSET Shielding – Full floating with independent ground Weight – 11 oz. Temperature Sensitivity – Not to exceed 156°F SPEAKERS Sensitivity (a1mW in dBspl) – 104dB Frequency Response – 90Hz-20kHz Impedance – 300 ohms stereo/ch.-150 ohms mono Total Harmonic Distortion (@1kHz) –
