PANASONIC / WX-4800

800MHz帯のペンシル型ワイヤレスマイクロホン。手に持って、ポケットに入れて、ストラップに下げてなどと、シーンに合わせて多様な使い方が可能。プレゼン、授業、会議などさまざまな場面で活躍します。

● Transmission frequency: 806.125 MHz to 809.750 MHz (0.125 MHz interval 30 waves)
● Tone signal: 32.768 kHz
● Radio wave format: F3E / F9W
● Oscillation method: Crystal control PLL synthesizer method
● Modulation method: Reactance modulation method
● Antenna power: 2 mW
● Reaching distance: about 60 m line-of-sight with the diversity receiver WX-4020B system (outdoor) (* 1)
● Modulation sensitivity: ± 5 kHz FM (92 dB SPL 1 kHz / small) / ± 5 kHz FM (82 dB SPL 1 kHz / large)
● Microphone used: Unidirectional electret condenser microphone
● Frequency characteristics: 100 Hz to 10 kHz (1 kHz standard 50 μS emphasis)
● Maximum input sound pressure: 126 dB SPL (small) / 116 dB SPL (large)
● Input equivalent noise: 36 dB SPL or less (A curve / small) / 41 dB SPL or less (A curve / large)
● Control method: ASK by tone signal
● Control signal: 3 types of battery level and battery voltage data (* 2)
● Batteries used: AAA alkaline battery LR03G x 1 1.5 V, manganese AAA battery R03NB x 1 1.5 V, rechargeable AAA battery HHR-4GPS, P-4NPS x 1 1.2 V
● Current consumption: Approx. 60 mA (at 1.5 V)
● Battery life: about 10 hours (when using Panasonic AAA alkaline battery LR03G) [At room temperature 25 ° C continuous use] about 3 hours (Using Panasonic AAA manganese battery R03NB, AAA niche P-4NPS) about 7 hours (when using Panasonic AAA nickel-metal hydride battery HHR-4GPS)
● Operating temperature range: 0 ℃ to +40 ℃
● Dimensions: Maximum diameter φ14.8 mm x length 155 mm
● Weight: about 45 g (including LR03G battery)
● Finish:
Body: Silver color alumite finish (Munsell N7 approximate color)
Clip area: Dark blue paint (Munsell 5PB2 / 2 approximate color)