44 CQ-RXBT490W/CR-LXBT490WSpecificationsGeneralPower supply: 12 V DC (11 V – 16 V) testvoltage 14.4 V, NegativegroundCurrent consumption: Less than 2.5 A (CD mode,0.5 W x 4 channels)(CQ-RXBT490W)Less than 2.5 A (USB mode,0.5 W x 4 channels)(CR-LXBT490W)Maximum power output: 50 W x 4 channels (at 1 kHz),Volume control maximumPower output: 18 W x 4 channels (1 kHz,1 %, 4 Ω)Tone/SQ adjustment range: SQ Low/Bass: ± 12 dB(at 60 Hz, 80 Hz, 100 Hz, 200Hz)SQ Mid: ± 12 dB(at 500 Hz, 1 kHz, 2 kHz,3 kHz)SQ High/Treble: ± 12 dB(at 10 kHz, 12 kHz, 15 kHz, 18kHz)Speaker impedance: 4 – 8 ΩPre-amp output voltage: 5.0 V (CD mode, 1 kHz, 0 dB)(CQ-RXBT490W)5.0 V (USB mode, 1 kHz, 1 dB)(CR-LXBT490W)Pre-amp output impedance: 200 ΩDimensions (W x H x D): 178 mm x 50 mm x 158 mmWeight: 1.2 kg (CQ-RXBT490W)0.8 kg (CR-LXBT490W)USB connectorUSB standardcompatibility: 1.1/2.0 full speedFile system: FAT12/16/32Maximum supplycurrent: 1 APlayable audio format: MP3/WMARecommendedcapacity: Less than 32 GB (1 partition)Front AUX inputInput impedance: 10 k ΩMaximum input level: 2.0 VConnector: 3.5 mm ø Stereo mini pinInput sensitivity: 200 mVrmsFM radioFrequency range: 87.50 MHz − 108.00 MHzUsable sensitivity: 6 dB/μV (S/N 30 dB)Frequency response: 30 Hz − 15 kHz (±3 dB)Alternate channel selectivity: 75 dBStereo separation: 35 dB (at 1 kHz)Image rejection ratio: 70 dBIF rejection ratio: 100 dBSignal to noise ratio: 62 dBAM radioFrequency range: 531 kHz − 1 602 kHzUsable sensitivity: 28 dB/μV (S/N 20 dB)CD player (only for CQ-RXBT490W)Sampling frequency: 8 times oversamplingDA converter: 1 bit DAC SystemPick-up type: Astigma 3-beamLight source: Semiconductor laserWavelength: 790 nmFrequency response: 20 Hz – 20 kHz (±1 dB)Signal to noise ratio: 96 dBTotal harmonic distortion: 0.01 % (1 kHz)Wow and flutter: Below measurable limitsChannel separation: 75 dBBluetooth ®CommunicationFrequency: 2 402 MHz – 2 480 MHzNumber of Channels: 79 ChannelsCommunication Mode: Frequency Hopped SpreadSpectrum CommunicationRF Output: 0 dBm (0.8 mW)Service Area: Within 10 mApplicable Bluetooth®Version: Version 2.1 + EDRBluetooth QD ID B016993.Notes:¡Specifications and design are subject to modifica-tion without notice due to improvements.¡Some figures and illustrations in this manual maybe different from your product.