Model NO.: QM303
Output Number: 4
Voltage: AC 220V
Element Number: Push-Pull Amplifier
Circuit: Td
Warranty: Two Years
Connector: Original Neutrik
Dimension(Wxhxd): 483X88X396 (mm)
Aging Test: 4 Hours
Rack Size: 3u, 4u
Color: Customized
Transformer: Toroidal
Heat Sink: Air Cooling
Housing: Metal
Trademark: LONZN or OEM brand
Transport Package: Carton with Water-Proof Bag
Specification: 2U
Origin: Guangzhou, China
HS Code: 8518400090
Model NO.: QM303
Output Number: 4
Voltage: AC 220V
Element Number: Push-Pull Amplifier
Circuit: Td
Warranty: Two Years
Connector: Original Neutrik
Dimension(Wxhxd): 483X88X396 (mm)
Aging Test: 4 Hours
Rack Size: 3u, 4u
Color: Customized
Transformer: Toroidal
Heat Sink: Air Cooling
Housing: Metal
Trademark: LONZN or OEM brand
Transport Package: Carton with Water-Proof Bag
Specification: 2U
Origin: Guangzhou, China
HS Code: 8518400090
Overview:
  • QM series of amplifiers are designed with perfect protection circuit,  uses mature Class AB amplifying circuit design, which leads to its static performance, high efficiency, safety.
  • Unique design and special makes the outstanding cabinet.
  • It can be used Stereo Mode or parallel connection single channel mode.
  • The extra gain switch can choose kinds of amplification multiple, which can match diffirent peripheral equipments.
  • The high-performance heat dissipation design and the comprehensive Automatic protection measures make it possible to match diffierent professional occasions.
Features :                                                                                                                                

•   Very high power and channel density

•  Three-channel flexibility

•  Automatic SMT technology, there will be little mistake in producing.

•  Zero current transition system protects the amplifier well.

•  DC protection, Overload protection, Overheat protection, Short circuit protection, Soft start

•  4 hours of aging test make every amplifier work smoothly before package.

•  Efficient cooling system, 100% pure copper heat sink

•  Thickening steel plate design.

•  Comprehensive protection and warning

•  Warranty: 2 years Guarantee.

Application:   

Stage, Convention Centers, Ballrooms, Conference room, Theaters, Club, Church, Concert and etc.

Related Products: 
 
Model QM-303 QM-304 QM-306 QM-308
Output power        
Stereo Power(8Ω) 3 X 300W 3 X 400W 3 X 600W 3 X 800W
Stereo Power(4Ω) 3 X 450W 3 X 600W 3 X 900W 3 X 1200W
Bridged mono power(8Ω) 1200W 1800W 2400W 3000W
Bridged mono power(4Ω) 1600W 2400W 3200W 4000W
         
THD <0.5%(10% of full power); 
IMD <0.1%(60Hz/7KHz,10% of full power)
S/N Ratio >105dB(A weighted)
Dampling Factor >500(8Ω 100Hz)
Frequency Response  ±0.1dB, 20Hz~20KHz
Sensitivity 0.775V
Gain 39±0.5dB
Channel Gain Difference <0.25dB
Stereo Isolation ≥-70dB
Slew Rate >80V/μS
Input Resistance 20K ohms balanced, 10K ohms unbalanced
LED signal Signal,Power, Clip,Protection
Voltage ~220V/50Hz
Max Power Consumption 1680W 2526W 3368W 4200W
Weight 15kg 16kg 18kg 20kg
Dimension (W)483 *(D)370 * (H)88mm

10 Reasons to choose us!

1. Full product line & One-stop service can meet all your need.
2. All products are designed by our development team according to the market trends.
3. All products & material pass quality-oriented inspection.
4. Abundant supply ability, Monthly production capacity is above 2000pcs.
5. Every client's information will be protected.
6. KEY account management, such as special discount and protection of sales area.
7. Fast delivery.
8. 2 years warranty.
9. Prompt solution can be provided to you by our professional engineers and staffs.
10. Excellent prompt 24 hours on-line service. ( pre-sale Service, Middle-sale Service & after-sale service.)
 
FAQ:

1. Who are you?
RE: Kaitew Industrial limited registered in Hongkong while we have factory in Guangzhou covers an area of 5,000 square meters. We've been devoting ourselves to the R&D, manufacturing and marketing of high-quality professional audio system for over 10 years.
 
2. What's your main product lines?
RE: Power Amplifier & Processor,Martin Style Line Array, PA system, Stage Monitor, Subwoofer, Home Theater, Karaoke Speaker, 
 
3. Do you support OEM service?
RE: Yes, if you have your own brand, we can provide perfect OEM/ODM service with your own brand.
 
4. What is the MOQ?
RE: MOQ is 1 piece, 1piece for sample checking is available.
 
5. Do you support spare parts?
RE: Yes, 1% free spare parts are sent together with every shipment.
 
6. What kind of payments does LONZN support?
RE: T/T, L/C, Western Union, Money Gram, Cash are acceptable.
 
7. How about the delivery time and how do ship the goods ?
RE: 3-7 days for trial order.
15 days or more for quantity order since receipt of 30% T/T deposit payment.
For sample order we usually ship by DHL, UPS, FedEx or TNT. For big order, Airline and sea shipping is also optional.
 
8. What is your packing?
RE: In sea cargo, Items will be packed with PE foam, then put it into carton. And, pallet with soft cushioning packing materials will protect the items during shipping.
In air cargo, items will be packed with PE foam, then put it into carton with wooden frame for protection.
 
9. How do you follow my order?
RE: We'll give you regular production status reports, ensure delivery time and arrange freight forwarding, oversee packing and loading of cargo.
We'll response to your ANY Feedback promptly & keep in touch with you regularly.
 
10. WHEN WILL YOU REPLY MY INQUIRY?
RE: We'll reply the inquiry during your regular business hours, inquiries are normally answered within 2-10 hours of receipt INCLUDING HOLIDAYS.
 
Contact details:

Contact Person: Angelia
Mobile: +86 137 5172 9465

Factory Audit are welcome. Should ANY QUERY, Just Call Angelia.

 
Overview:
  • QM series of amplifiers are designed with perfect protection circuit,  uses mature Class AB amplifying circuit design, which leads to its static performance, high efficiency, safety.
  • Unique design and special makes the outstanding cabinet.
  • It can be used Stereo Mode or parallel connection single channel mode.
  • The extra gain switch can choose kinds of amplification multiple, which can match diffirent peripheral equipments.
  • The high-performance heat dissipation design and the comprehensive Automatic protection measures make it possible to match diffierent professional occasions.
Features :                                                                                                                                

•   Very high power and channel density

•  Three-channel flexibility

•  Automatic SMT technology, there will be little mistake in producing.

•  Zero current transition system protects the amplifier well.

•  DC protection, Overload protection, Overheat protection, Short circuit protection, Soft start

•  4 hours of aging test make every amplifier work smoothly before package.

•  Efficient cooling system, 100% pure copper heat sink

•  Thickening steel plate design.

•  Comprehensive protection and warning

•  Warranty: 2 years Guarantee.

Application:   

Stage, Convention Centers, Ballrooms, Conference room, Theaters, Club, Church, Concert and etc.

Related Products: 
 
Model QM-303 QM-304 QM-306 QM-308
Output power        
Stereo Power(8Ω) 3 X 300W 3 X 400W 3 X 600W 3 X 800W
Stereo Power(4Ω) 3 X 450W 3 X 600W 3 X 900W 3 X 1200W
Bridged mono power(8Ω) 1200W 1800W 2400W 3000W
Bridged mono power(4Ω) 1600W 2400W 3200W 4000W
         
THD <0.5%(10% of full power); 
IMD <0.1%(60Hz/7KHz,10% of full power)
S/N Ratio >105dB(A weighted)
Dampling Factor >500(8Ω 100Hz)
Frequency Response  ±0.1dB, 20Hz~20KHz
Sensitivity 0.775V
Gain 39±0.5dB
Channel Gain Difference <0.25dB
Stereo Isolation ≥-70dB
Slew Rate >80V/μS
Input Resistance 20K ohms balanced, 10K ohms unbalanced
LED signal Signal,Power, Clip,Protection
Voltage ~220V/50Hz
Max Power Consumption 1680W 2526W 3368W 4200W
Weight 15kg 16kg 18kg 20kg
Dimension (W)483 *(D)370 * (H)88mm

10 Reasons to choose us!

1. Full product line & One-stop service can meet all your need.
2. All products are designed by our development team according to the market trends.
3. All products & material pass quality-oriented inspection.
4. Abundant supply ability, Monthly production capacity is above 2000pcs.
5. Every client's information will be protected.
6. KEY account management, such as special discount and protection of sales area.
7. Fast delivery.
8. 2 years warranty.
9. Prompt solution can be provided to you by our professional engineers and staffs.
10. Excellent prompt 24 hours on-line service. ( pre-sale Service, Middle-sale Service & after-sale service.)
 
FAQ:

1. Who are you?
RE: Kaitew Industrial limited registered in Hongkong while we have factory in Guangzhou covers an area of 5,000 square meters. We've been devoting ourselves to the R&D, manufacturing and marketing of high-quality professional audio system for over 10 years.
 
2. What's your main product lines?
RE: Power Amplifier & Processor,Martin Style Line Array, PA system, Stage Monitor, Subwoofer, Home Theater, Karaoke Speaker, 
 
3. Do you support OEM service?
RE: Yes, if you have your own brand, we can provide perfect OEM/ODM service with your own brand.
 
4. What is the MOQ?
RE: MOQ is 1 piece, 1piece for sample checking is available.
 
5. Do you support spare parts?
RE: Yes, 1% free spare parts are sent together with every shipment.
 
6. What kind of payments does LONZN support?
RE: T/T, L/C, Western Union, Money Gram, Cash are acceptable.
 
7. How about the delivery time and how do ship the goods ?
RE: 3-7 days for trial order.
15 days or more for quantity order since receipt of 30% T/T deposit payment.
For sample order we usually ship by DHL, UPS, FedEx or TNT. For big order, Airline and sea shipping is also optional.
 
8. What is your packing?
RE: In sea cargo, Items will be packed with PE foam, then put it into carton. And, pallet with soft cushioning packing materials will protect the items during shipping.
In air cargo, items will be packed with PE foam, then put it into carton with wooden frame for protection.
 
9. How do you follow my order?
RE: We'll give you regular production status reports, ensure delivery time and arrange freight forwarding, oversee packing and loading of cargo.
We'll response to your ANY Feedback promptly & keep in touch with you regularly.
 
10. WHEN WILL YOU REPLY MY INQUIRY?
RE: We'll reply the inquiry during your regular business hours, inquiries are normally answered within 2-10 hours of receipt INCLUDING HOLIDAYS.
 
Contact details:

Contact Person: Angelia
Mobile: +86 137 5172 9465

Factory Audit are welcome. Should ANY QUERY, Just Call Angelia.

 

GPU Case

B85 8-card mainboard, 8-card in-line motherboard platform (B85 8-card 1820U independent U+ new chassis 4 strong 5300 RPM fan /4 silent 3000 RPM optional +4G memory +128G solid state +2000W new power supply) compatible with all types of graphics cards in the market, stable performance, reasonable heat dissipation.


X79 Gpu Mining Case

Chassis weight: 4.5kg
Weight of chassis with fan: 5.5kg
Size:500*400*180mm
Multi graphics card case custom case
Motherboard bit: compatible with standard ATX motherboard
Hard disk bit: a 3.5-inch hard disk or a 2.5-inch hard disk
Power bit: ATX power installation size
Standard fan: 4 sets of 12038 fans,
Graphics card bit: supports up to 5 330mm long graphics cards
Chassis material: 1.0 mm cold plate full baking paint to prevent rust, anti-static effect!
tips: chassis products are bulky, heavy weight, and the express freight is very expensive. Buyers should consider buying them carefully to avoid unnecessary loss caused by return. If you don't understand, please communicate with customer service.
The fan of the product is double ball fan, 5300 RPM new violent fan, with noise of 65dB


B85 Gpu Case,B75 gpu case,gpu mining case,gpu case,GPU Server Case

Shenzhen YLHM Technology Co., Ltd. , https://www.ylhm-tech.com

June 27, 2024