46 | KDC-BT6544U/ KDC-BT6544UY/ KDC-BT6044/ KDC-BT6144/ KDC-W5544U/ KDC-W5644UAudio sectionMaximum output power: 50 W x 4Output power (DIN 45324, +B=14.4V): 22 W x 4Speaker Impedance: 4 – 8 ΩTone action(KDC-BT6044/BT6144/W5544U/W5644U)Bass : 100 Hz ±8 dBMiddle : 1 kHz ±8 dBTreble : 10 kHz ±8 dBTone action (KDC-BT6544U/BT6544UY)BAND1 : 60 Hz - 400 Hz ±9 dBBAND2 : 630 Hz - 2.5 kHz ±9 dBBAND3 : 4.0 kHz - 16 kHz ±9 dBPreout level / Load (CD): 2500 mV/10 kΩPreout impedance: ≤ 600 ΩAuxiliary inputFrequency response (±1 dB): 20 Hz – 20 kHzInput Maximum Voltage: 1200 mVInput Impedance: 100 kΩGeneralOperating voltage (10.5 – 16V allowable): 14.4 VMaximum Current consumption: 10 AInstallation Size (W x H x D): 182 x 53 x 155 mmWeight: 1.2 kgSpecifications subject to change without notice.Specifications• The “AAC” logo is a trademark of Dolby Laboratories.• The Bluetooth word mark and logos are owned bythe Bluetooth SIG, Inc. and any use of such marksby Kenwood Corporation is under license. Othertrademarks and trade names are those of theirrespective owners.• iPod is a trademark of Apple Inc., registered in the U.S.and other countries.• iPhone is a trademark of Apple Inc.• “Made for iPod” means that an electronic accessoryhas been designed to connect specifically to iPod andhas been certified by the developer to meet Appleperformance standards.• “Works with iPhone” means that an electronicaccessory has been designed to connect specificallyto iPhone and has been certified by the developer tomeet Apple performance standards.Apple is not responsible for the operation of this deviceor its compliance with safety and regulatory standards.