Denali D30SP Fixed Wing Headset

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) – <.15%
• Maximum Power Input – 250mW
• Noise Reduction Rating – 21dB

Microphone

• Type – Noise cancelling electret condenser with constant-gain preamp
• DC Bias Voltage – 8-16 volts
• Supply Source Resistance – 220-2200 ohms
• Frequency Response (±6dB) – 420Hz-6.4kHz
• Sensitivity (@114dBspl*) – 1.3V
• Noise Rejection Ratio (@1kHz): -46dB
• Total Harmonic Distortion (@1kHz) – <0.3%
• Impedance – 500 ohms
• Maximum Speech Level – 112 dBspl*
• Maximum Ambient Noise Level – 132 dBspl*

*Sensitivity measurements referred to 0.0002 ubar (dynes/cm2) @ 1kHz. Microphone measurements made with 10-volt supply with a 1,000 ohm resistor.