Plantronics Supraplus Monaural Headset With Voice Tube

Available in monaural and binaural styles, with either Plantronics uniquely removable, clear voice tube or a noise-cancelling microphone, there is a SupraPlus model which matches your communication style. SupraPlus works with existing Plantronics adapters, which further enhance sound quality with SoundGuard Plus and Call Clarity. SupraPlus also connects directly to many leading phones, including VoIP phone systems, to offer adaptable, hands free communications. The all day wearing comfort of SupraPlus is unsurpassed. All models are lightweight and feature single cable connection, with monaural versions featuring an enhanced T-pad design for natural support on the head. Listening comfort is assured through wideband frequency response giving a clear natural sound, which also ensures improved accuracy in your conversations. SupraPlus is available in two colours, silver and black. The silver version offers luxury leatherette ear cushions, whilst the black version is supplied with foam ear cushions.

Features:

• All-day comfort and reliability.
• Greater receive-side frequency response improves listening intelligibility.
• Adjustable headband, ear cushions, and T-pad design for a stable, comfortable fit.
• Bendable click-stop mic boom stays in position for clearer transmission.
• Smaller, lighter, more flexible cable.
• Headband twists out of the way for convenient quick call pickup.
• Binaural design cuts out distracting background noises and conversation.
• Noise cancelling mic allow clear conversations in noisy environments.
• Like other H-series units, there are matching P-series units for use w/Nortel phones.

Transmit Characteristics:

• Sensitivity @ 1kHz -39 ± 3.5dBV/Pa.
• Frequency Range 200 to 4000Hz.
• DC Range 1.5 to 5V.
• Noise Cancellation 7dB (Noise-Cancelling models only).
• Output Impedance < 100Ω.
• Typical Test Conditions 1.8VDC, 3.3KΩ DC Resis, 3.3KΩ AC Load.

Receive Characteristics:

• Sensitivity @ 1kHz 15dBPa/V (Monaural).
• 9dBPa/V (Binaural).
• Frequency Range 100 to 4000Hz.
• Acoustic Limit 24dBPa.
• Input Impedance 150 ± 25Ω (Monaural).
• 300 ± 25Ω (Binaural).
• Typical Test Conditions 100mV Drive, 10Ω Source Impedance.
• Measured on ITU-T Type 3.3 artificial ear.