PANASONIC CQ-DF903U CAR CD PLAYER versus ALPINE CDA-9825 CD/AM-FM Receiver.
PANASONIC CQ-DF903U CAR CD PLAYER: High Definition 3D Dot Matrix LCD Display Rotary Knob Day & Night Design Slim Fit Mount Pre-Amp Outputs dual outputs (5V/60 ohms) Non-Fading Subwoofer-Out 5V high voltage with low impedance of 60 ohms CD/CD-R/CD-RW Sirius Satellite Ready 4-Channel High Power Amp 50W x 4 MOS-FET Output Stage Spectrum Analyzer Super Bright Display with Dimmer Blue LCD Illumination Color Blue Button Illumination Color S-HDB (Super High Definition Bass) CD Changer Control
Track/Disc Scan, Search, Track/Disc Repeat, Random Play Radio Features
Alphatuner V 18 FM and 6 AM presets with preset scan Auto preset memory with scan FMO (FM Optimizer), AFE (Adaptive FM Front End), and INQ (Impulse Noise Quieting) Muting Attenuator Bass, Treble, Balance Fader Controls Multi-stage Noise Shaping 1-bit DAC 3-beam Hologram Pickup One-chip Digital Circuit 8x Oversampling (Digital Filter) CD Controls
Scan, Search, Pause, Repeat and Random Play AUX Input Open Face CD Access Removable Faceplate Built-in Quartz Clock Wireless Remote Control Speaker Impedance 4-8 ohms Frequency Response (±1dB) 20Hz - 20kHz S/N Ratio 95dB
ALPINE CDA-9825 CD/AM-FM Receiver:
detachable face MaxTune tuner 12 FM/6 AM presets plays CDs, CD-Rs, and CD-RWs Bass Engine (bass center frequency, width, and level, plus treble center frequency and level and subwoofer level adjustments) MediaXpander XM Satellite Radio controls (XM Radio subscription, tuner, antenna required to receive the satellite radio signal.) -- service is available only in the lower 48 states, not available in Alaska, Hawaii, or U.S. territories CD changer controls for Alpine Ai-NET changers only optional auxiliary input MOSFET internal amp 4-volt front and rear preamp outputs 4-volt subwoofer preamp outputs clock 18 watts RMS/50 peak x 4 channels (CEA-2006 Compliant) CD frequency response 5-20,000 Hz CD signal-to-noise ratio 105 dB FM sensitivity 9.3 dBf warranty: 1 year