Alpine KD-R810, KD-A815 manual Specifications

Specifications

	Power Output:	20 W RMS × 4 Channels
		at 4 Ω and ≤ 1% THD+N
	Signal-to-Noise Ratio:	80 dBA (reference: 1 W
		into 4 Ω)
	Load Impedance:				4 Ω (4 Ω to 8 Ω allowance)
SECTION	Tone Control Range:			Bass:	±12 dB (50 Hz, 100 Hz, 200 Hz)
				Middle:	±12 dB (0.5 kHz, 1.0 kHz, 2.0 kHz)
					Q0.7, Q1.0, Q1.4, Q2.0
AMPLIFIER					Q0.7, Q1.0, Q1.4, Q2.0
					Q0.7, Q1.0, Q1.4, Q2.0
				Treble:	±12 dB (5.0 kHz, 10.0 kHz, 15.0 kHz)
AUDIO
	Frequency Response:				40 Hz to 20 000 Hz
	Line-Out/subwoofer-Out Level/			KD-A815:	5.0 V/20 kΩ load (full scale)
	Impedance:
				KD-R810:	2.5 V/20 kΩ load (full scale)
	Output Impedance:				1 kΩ
	Other Terminal:			AUX (auxiliary) input jack, USB input terminal, USB
				cable, Antenna input, Expansion port, Steering
				wheel remote input (for KD-A815)
	Frequency Range:	FM:	with channel interval set to			87.5 MHz to 107.9 MHz
			100 kHz or 200 kHz
			with channel interval set to			87.5 MHz to 108.0 MHz
			50 kHz
		AM:	with channel interval set to			530 kHz to 1 710 kHz
			10 kHz
SECTION
			with channel interval set to			531 kHz to 1 602 kHz
			9 kHz
TUNER	FM Tuner:	Usable Sensitivity:				9.3 dBf (0.8 μV/75 Ω)
		50 dB Quieting Sensitivity:				16.3 dBf (1.8 μV/75 Ω)
		Alternate Channel Selectivity				65 dB
		(400 kHz):
		Frequency Response:				40 Hz to 15 000 Hz
		Stereo Separation:				40 dB
	AM Tuner:	Sensitivity:				20 μV
		Selectivity:				40 dB

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