Kenwood D503BT User Manual

Desktop digital amplifier

Download this manual

D503BT Desktop Digital Amplifier

Thank you very much for choosing our products! Please read this

manual carefully before using the product.

①

..............................LED INDICATOR LIGHT

②

..............................POWER NO/OFF(Long press 3S to start, short press to switch bluetooth or

RCA input)

③

..............................Bass Knob （increase clockwise and decrease counterclockwise）

④

..............................Treble Knob （increase clockwise and decrease counterclockwise）

⑤

..............................VOL+/- (increase clockwise and decrease counterclockwise)

⑥

...............................Bluetooth antenna (bluetooth is optional)

⑦

.................................Input interface of audio (Such as CD, DAC decoder, mobile phone, TV, etc.,

red to right channel input, white to left channel input)

⑧

.................................Speaker Output (red to positive, black to negative, L to leftspeaker and R to

rightspeaker)

⑨

.................................Power interface (DC power shall not exceed 24V)

USER MANUAL

Page 1 USER MANUAL D503BT Desktop Digital Amplifier Thank you very much for choosing our products! Please read this manual carefully before using the product. ① …………………………LED INDICATOR LIGHT ② …………………………POWER NO/OFF(Long press 3S to start, short press to switch bluetooth or RCA input) ③...
Page 2 Operation Steps: 1. Make sure the VOL buttonto the minimum. 2. Connect the left and right speakers according to the interface instruction of the rear surface, and pay attention to distinguish positive and negative. 3. Connect the sound source that needs to be used （Use bluetooth transmission to refer to the next step）...
Page 3 2. If the indicator light is on, check whether the VOL knob is in the minimum position. If so,turn clockwise to normal Volume 3. If both of the above are normal, check the input device if it is paused, mute, or the volume is minimized. Why does the sound is cracking? A: when theoutput powerexceeds the normal power of amplifier, there will be a large distortion.
Page 4 FCC Warning Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.