Name: 1U 2 channel Class D 300W 500W Professional Digital audio power amplifier
Brand: Dolsi
Price: 1 USD

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1U 2 channel Class D 300W 500W Professional Digital audio power amplifier

Brand Name:Dolsi

Certification:CB, CE, CCC

Model Number:M series

Minimum Order Quantity:50 pieces

Delivery Time:20-30days

Payment Terms:TT, LC at sight

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Dolsi Audio Equipment Co., Ltd

Site Member

Location: Guangzhou Guangdong China

Address: No.22 Daban Industrial Street 1, Daban Industrial District , Tinggen Village, Shatou, Shiqiao,Panyu District, Guangzhou,China

Supplier`s last login times: within 46 hours

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Product Details Company Profile

Product Details

Patented 1 U Class-D Digital Power Amplifier

M Series

. Independant PCB module, easy to do replacement and maintainance

. Small size and light weight, easy to move and install

. Long lasting stability

SPECIFICATIONS

1 U Digital Power Amplifier
Model No.		M3600	M4800
Channel number		2 channel	4 channel
Rated output power	8Ω	300Wx2	300Wx4
Rated output power	4Ω	500Wx2	500Wx4
Bridged output power	8Ω	1000Wx1	1000Wx2
Distortion( 1kHZ,=10dB/4 Ohms)		<0.2%
S/N Ratio (20Hz-20Khz,4 Ohms)		>112dBA
Cross-talk (1kHZ, 4 Ohms)		>40dB
Frequency response		10Hz to 20k Hz,+/-1dB
Input impedance		balanced 20K/ non-balanced 10K
Damping factor (10-400Hz,8Ohms)		>300
Output category		Class D
Input sensitivity		0.775V,0dB
Protection funtions		Protections against short circuit, direct current, over-load, over heat, on/off switching, muting, radio-interference. Good amplitude limit.
Control knobs		power ON/OFF switch,VOLUME control in front panel . STEREO/BRIDGE/MONO switch in rear panel .
LED indicators		CLIP/-10dB/SIGNAL/MONO/BRIDGE/STATUS indicators in front panel
Power delay		4 seconds
Input interface		XLR input socket
Output interface		SPEAKON connector
Size (WxHxD)		483x44x350mm
Net weight		M-3600: 4.95kg, M-4800: 6.30kg
Packing size (WxHxD)		560x120x470 mm (0.032cbm)

PRODUCT FEATURES

. Unique and elegant enclosure design.

. Carefully selected high quality components. The complete machine is with CCC, CB and CE certification and with RoHS compliance.

. Compact structure in only 1 unit of height and light weight, easy to move and install.

. Class D Toplogy integrated with switch power supply design

. Powerful output and high efficiency

. Low electricity consumption

. Accurate volume control, switch on/off, signal, clip and protection LED light in front panel

. Full automatic rotections against short circuit, direct current, over-load, over heat,

on/off switching, muting, radio-interference. Good amplitude limit.

. Nice Cooling system.

. XLR balance input and professional SPEAKON output connectors.

. Stereo ,bridge and mono mode selection pull switch is set on back panel.

Company Profile

Our logo DOLSI, the pronunciation is similar with Chinese Pinyin "douniushi" which means matador. The matador, originating from Spain, is famous all over the world with perfect combination of confidence, art and power.

With over ten years of production experience in professional audio products, Dolsi Audio has grown up to be a manufacturer focusing in design, research, development and manufacturing of high quality audio equipment, including professional power amplifier, speaker system, and other audio peripheral products. With strong R&D capability , Dolis is working on custom-made, OEM and own-brand production for clients from all over the world.

One of our outstanding business is the development on our own power amplifiers with patents. We have obtained a number of patents on technology invention, out-ward appearance design, and circuit board layouts.

Starting from traditional analog circuit, after hard working of our senior Engineers, Dolsi developed over ten series of amplifiers covering classic analog technology, inculding Class-H, high efficiency TD electric circuit, SMPS and Class-D digital amplification and professional audio system. All of our products are made with well selected parts and quality components. Co-operation with famous suppliers America ON, Japan Toshiba and SANKEN, DOLSI ensures the advantage of technology updating and product reliability.

We understand well about the real demand to the reliable performance of audio equipment from different types of applications. Dolsi engineers configure the product function with different structure and feature based on different applications, coming out variety of product series that can be widely used in theatre, stadium, outdoor events, club, indoor show,meeting room, church, bar saloon and multiple-function hall.

Quality is the critical point of a business life. We always stick to quality first, customer supremacy and service success.Dolsi product passed CCC, CB, CE and RoHS certification.