ALPINE CDE-121J CD Player Receiver Car Audio Stereo Head Unit 1DIN AUX USB Japan

Description

Tuner Section
Reception frequency AM ; 522 ～ 1,629kHz
 FM ; 76.0 to 90.0MHz
Practical sensitivity AM ; 22.5 μV
 FM ; 0.8 μ V (75 Ω): 9.3 dBf (new IHF)
Stereo Separation FM ; 35dB or better
SN Ratio FM ; 65dB or better
Image Disturbance Ratio FM ; 80dB min.
IF Jamming Ratio FM ; 80dB min.
CD section
Method Optical (compact disc type)
Number of channels 2 channels (stereo)
Frequency Response 5Hz to 20kHz (±1dB)
Dynamic range 95dB (1kHz) min.
SN ratio 105dB (1kHz) min.
High-frequency distortion ratio 0.008% (1kHz) or less
Channel separation 85dB (1kHz) min.
Wah Flutter Below measurement limit
USB section
USB standard USB 1.1 / 2.0
Maximum supply current 500mA
USB class Mass storage class supported
File system FAT 12/16/32
MP3 decoding MPEG-1/2 AUDIO Layer-3 compliant
WMA decode Compliant with Windows Media™ Audio
AAC decode AAC-LC format ".m4a" files
Number of channels 2 channels (stereo)
Frequency response* 1 5Hz to 20kHz (±1dB)
Dynamic range 95dB (1kHz) min.
SN ratio 105dB (1kHz) min.
High-frequency distortion ratio 0.008% (1kHz) or less
Channel separation 85dB (1kHz) min.
1 Frequency response may vary depending on encoder software/bit rate.
General
Power supply DC14.4V (operating range; 11 to 16V)
Grounding method Negative earth
Maximum output power 50W × 4
Audio output level Pre-output: 2V / 10K Ω (max.)
 (Subwoofer)
Dimensions 178 (W) × 50 (H) × 161 (D) mm
Weight 1.5 kg