JVC manual Specifications, Audio, player, KD-A645 / KD-R640, KD-R540 / KD-R440

SPECIFICATIONS

	Power Output		20 W RMS × 4 Channels at 4 Ω
			and ≤ 1% THD+N
amplifier
	Load Impedance		4 Ω (4 Ω to 8 Ω allowance)
	Frequency Response		40 Hz to 20 000 Hz
Audio	Signal-to-Noise Ratio		80 dBA (reference: 1 W into 4 Ω)
	Line-Out, Subwoofer-Out Level/		2.5 V/10 kΩ load (full scale)
	Impedance
	Output Impedance		≤ 600 Ω
	FM	Frequency Range	87.9 MHz to 107.9 MHz (200 kHz step)
			87.5 MHz to 108.0 MHz (50 kHz step)
		Usable Sensitivity	9.3 dBf (0.8 μV/75 Ω)
		50 dB Quieting Sensitivity	16.3 dBf (1.8 μV/75 Ω)
Tuner
		Frequency Response	40 Hz to 15 000 Hz
		Alternate Channel Selectivity	65 dB (at 400 kHz)
		Stereo Separation	40 dB
	AM	Frequency Range	530 kHz to 1 700 kHz (10 kHz step)
			531 kHz to 1 611 kHz (9 kHz step)
		Sensitivity/Selectivity	20 μV/40 dB
	Signal Detection System		Non-contact optical pickup (semiconductor laser)
player	Number of Channels		2 channels (stereo)
	Frequency Response		5 Hz to 20 000 Hz
CD
	Signal-to-Noise Ratio		98 dB
	Wow and Flutter		Below measurable limit

	USB Standard		USB 1.1, USB 2.0
	Data Transfer Rate (Full Speed)		Max. 12 Mbps
USB	Compatible Devices		Mass storage class
	Compatible File Systems		FAT 32/16/12
	Playable Audio Formats		MP3/WMA
	Maximum Supply Current		DC 5 V d1 A
	Power Requirements (Operating Voltage)		DC 14.4 V (11 V to 16 V allowance)
	Grounding System		Negative ground
	Allowable Operating Temperature		0°C to +40°C (32°F to 104°F)
General	Dimensions	Installation Size	182 mm × 53 mm × 159 mm
	(W × H × D)	(approx.)	(7-3/16" × 2-1/8" × 6-5/16")
		Panel Size (approx.)	KD-A645 /KD-R640:
			188 mm × 59 mm × 10 mm
			(7-7/16" × 2-3/8" × 7/16")
			KD-R540 /KD-R440:
			188 mm × 59 mm × 13 mm
			(7-7/16" × 2-3/8" × 9/16")
	Weight (excluding accessories)		1.2 kg (2.6 lbs)

Subject to change without notice.

13 ENGLISH