Alpine HDS-990 - Specifications

32 CN
Speci ficat ions
Perfo rmance
Power Output
Rated：4Ω, 14.4V, 10%THD
4CH×25W
THD+N
RCA: 1W into 4 Ω
≤0.03%
S/N
RCA: A-wt
≥98dB
Input Voltage
High leve
32Vpp
RCA
8Vpp
Output Voltage
High level
28Vpp
RCA
12Vpp
Frequency Response
1W，4Ω
20Hz～40kHz(±1.5dB)
General
Inputs
4ch H igh-level
2ch A UX
USB Audio
Bluetooth Audio
Outputs
4ch H igh-level
6ch RC A
Optical / Coaxial Dig ital Signal
Input Impedance
High level
240Ω
RCA
10kΩ
System Sampling Rate
192kHz/32bit
Operating Voltage
9～16V
Standby Power Consumption
≤0.1W
REM Start Input
High level（FL-/FL+）、ACCoptional
REM Start Output
12V（0.2A）
Weight
0.77kg
Dimensions (Main Unit)
Width
178mm
Width
143.6mm
High
50mm
Music player
interface
USB 2.0
Storage Capacity
Maximum support 2TB
Maximum power c onsumption
1.5A
File system
FAT16/32, NTFS, exFAT
The maximum number of songs
10000 songs
MP3decoding
Sampling frequency: 48kHz,44.1kHz,32kHz,24kHz,22.05kHz,16kHz,12kHz,11.025kHz,8kHz
Bit rate: 8-320kbps
WMA decoding
Sampling frequency: 48kHz,44.1kHz,32kHz,22.05kHz,16kHz,11.025kHz,8kHz
Bit rate: 12-192kbps(stereo), 0-128kbps(mono)
AAC decoding
Sampling frequency: 48kHz,44.1kHz,32kHz,24kHz,22.05kHz,16kHz,12kHz,11.025kHz,8kHz
Bit rate: 8-320kbps
MP4 decoding
Sampling frequency: 48kHz,44.1kHz,32kHz,24kHz,22.05kHz,16kHz,12kHz,11.025kHz,8kHz
Bit rate: 8-500kbps
WAV decoding
Sampling frequency: 192kHz,176.4kHz,96kHz,88.2kHz,48kHz,44.1kHz,32kHz,24kHz,
22.05kHz,16kHz
Quantization bits: 8bit,6bit,24bit
FLAC decoding
Sampling frequency: 192kHz,176.4kHz,96kHz,88.2kHz,48kHz,44.1kHz,32kHz,24kHz,
22.05kHz,16kHz,12kHz,11.025kHz,8kHz
Quantization bits: 8bit、16bit、24bit
APE decoding
Sampling frequency: 192kHz,176.4kHz,96kHz,88.2kHz,48kHz,44.1kHz,32kHz,24kHz,
22.05kHz,16kHz,12kHz,11.025kHz,8kHz
Quantization bits: 16bit、24bit
DSD decoding
Sampling frequency: DSD64 2.8224MHz, DSD128 5.6448MHz,DSD256 11.290MHz
Bluetooth supports audio formats
AAC/SBC/APTX-HD/LDAC