high efficiency class d digital amplifier power fast shipping for ktv

ABOUT OUR PRODUCT

Using hi-fi driven circuit、 Excellent sound、 Electronic volume control、 High power 4X2100W、 Stable power supply

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Front Panel
1 -Signal Indicators
2 -Screen
3 -Mute Indicator
4 -Mute button
5 -Clip Indicator
6 -Channel switch/ Volume Control
7 -Power Switch

Rear Panel
8 -Power Cable
9 -Serial Number
10 -Speakon Output Connectors
11 -XLR Female Input Connector
12 -Signal Link Button
13 -XLR Male Linear Output Connectors

PRODUCT DETAILS

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K 4-Channel Top View

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K 4-Channel Rear Plate

SPECIFICATIONS

Mode	K6x4	K9x4	K13x4	K18x4	K21x4
8 ohms Stereo power 4 ohms power 2 ohms power	4X600W 4X1200W ：4X1560W	4X900W 4X1800W 4X2340W	4X1300W 4X2600W 4X3380W	4X1700W 4X3400W	X2100W 4X4200W
Hum& Noise	>112dB
Input connector	XLR Female
Input impedance	20k ohms balanced
Input Sensitivity	1.2V
Channel separation	>70dB@1kHz
Output connector	Speakon
Damping Factor	>1000 @ 8Ω
THD	<0.1%(20Hz-20kHz，1W)
Frequency Response	20Hz-20kHz (±0.3dB)@1W, 8Ω
Level adjustment	Electronic volume control
Cooling	Temperature controlled fan, airflow from front to rear
Protection	Short circuit，open circuit，direct current voltage，overheat, overload，radio frequency，ultralow frequency protection
Power requirement	AC180V-240V(90V-120V)，50-60Hz
Amp dimension	88mmX483mmX438mm
Carton dimension	155mmX600mm×550mm
Net weight(kg) Gross weight(kg)	11.7 15		12.2 15.2

Production flow chart

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1. Sheet Metal Processing

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2. Circuit Board Plug-in

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3. Circuit Board Debugging

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4. Circuit debugging

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5. Product assembly

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6. Debugging of the whole machine

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7. Product Aging

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d******f

class d digital amplifier It is designed and manufactured with advanced water treatment technology, with reasonable design, compact structure, simple installation, safe use, fast water discharge, ready to filter and drink, bringing you a different drinking water experience.

o******i

class d audio power amplifier The texture is hard and thick, comfortable and delicate to the touch, the surface is flat and smooth, and the texture is clear and natural, which is both beautiful and practical.

l******i

class d audio power amplifierHigh-quality material selection, high quality, high strength, high ductility, good water resistance and other advantages.

b******t

class d audio power amplifier The appearance is exquisite, the structure is reasonable and simple, easy to clean, and convenient to use, and is favored by consumers.

v******x

class d audio power amplifier The variety is pure, the taste is delicious, the fat content is low, the nutritional value is high, and it has passed the certification of organic products and pollution-free agricultural products. It is your quality choice.

g******i

The product features high stitching quality. A measuring tape is adopted to count the number of stitches per inch on at least two pieces per style to make sure stitch accuracy.

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