Sony ECM-W3 Help Guide - Page 33

Frequency response Pickup pattern Front sensitivity*2 Intrinsic noise*2 *3 Wind noise*2 *4 20 Hz - 20 000 Hz Monaural, Omni-directional -20 dBFS (0.1 Pa, 1 kHz) 16 dB SPL or less (0 dB = 2×10-5 Pa) 49 dB SPL or less (without the wind screen attached) 28 dB SPL or less (with the wind screen attached) Maximum input sound pressure level Dynamic range*3 External microphone input jack Power requirements Rated Voltage Power consumption (Approx.) Continuous operating time (Approx.) Charging time (Approx.) Dimensions (Approx.) Mass (Approx.) 120 dB SPL*2 *5 104 dB or more Ø3.5 mm mini jack (monaural) Built-in lithium-ion battery (approx. 3.7 V) 5 V 0.09 W 6 hours (with the fully charged built-in battery) 2 hours*6 (via the charging case) 25 mm × 52.5 mm × 20.5 mm (1 in. × 2 1/8 in. × 13/16 in.) (W/H/D) 17 g (0.6 oz.) *1 Videos recorded with 24-bit audio may not be played back normally on devices or software incompatible with 24-bit audio, resulting in unexpectedly loud volumes or no sound. *2 Acquired while "10dB" is selected by the ATT switch. *3 Acquired while "DIGITAL" is selected by the slide switch. *4 Equivalent sound pressure level value converted from the average value of the noise that is output from the microphone when an air stream with a wind velocity of 2 m/sec. is applied to the microphone from every direction. (0 dB = 2×10 -5 Pa) *5 Equivalent sound pressure level value converted from the input level value that is acquired when 1% waveform distortion is produced by 1 kHz output signals from the microphone. (0 dB = 2×10 -5 Pa) *6 Time period required for charging the empty rechargeable batteries via the USB charging port (CDP - Charging Downstream Port) on the computer to full capacity. It may vary depending on the using condition. Charging case (ECM-W3) Rated Voltage 5 V Power consumption (Approx.) 5.9 W Charging time (Approx.) 2 hours and 30 minutes* Dimensions (Approx.) 92.5 mm × 41.5 mm × 65.5 mm (3 3/4 in. × 1 11/16 in. × 2 5/8 in.) (W/H/D) Mass (Approx.) 110 g (3.9 oz.) * Time period required for charging the empty rechargeable batteries via the USB charging port (CDP - Charging Downstream Port) on the computer to full capacity. It may vary depending on the using condition. Charging case (ECM-W3S) 33