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Help CenterSUB-250 250W Powerful CLASS-AB Plate Subwoofer Amplifier
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SUB-250 Professional Class AB subwoofer amplifier
Features:
With Auto Power on/off select circuitry.
With Phase 0°/180°select switch & low pass Variable control.
With EQUALIZER control.
Use highly quality RCA input & Output terminal
Power 230V available
Protector :Output Short, over loads & over temperature.
Power & protect indicators
Specifications:
Output power: 250W RMS @ 4Ω
Total harmonic distortion: <1%
Line input sensitivity: 75mV
high input sensitivity: 2.0V
Signal to noise ratio: >90dB
Frequency response: 20Hz ~140Hz
Variable LOW-pass crossover: 35Hz ~140Hz (12dB/OCT)
Built-in bass booster: +7dB @ 40Hz
EQUALIZER control:20Hz ~100Hz&-12dB~+7dB
Variable phase control: 0° ~180°
Built-in auto power switch: ON/AUTO/OFF
Protect: short circuit, overheat
Operating voltage: 115/230vac
Dimension (W x H x L): 265 x 265 x 110 mm
Package including:
1 X Portable Bluetooth Speaker Or Audio amplifier
1 X Power cord
1 X Audio cable
1 X Giftbox
1 X User manual
Shipping methods:
1.For samples, we usually send out via international express such as DHL,UPS.
2.For small order,we can send by air freight or LCL.
3.For mass production order, we can ship by sea.
R&D
We are professional audio products manufacture for 10 years.
Our R&D team dedicated to the creation of new and innovative products,can fulfill our customers’ specialized OEM orders.
OEM and ODM
We have several experienced engineers to meet your demands,make your ideas to the real products!
1).Shells ----make different Logo,Color,Print,etc. for shells;
2).Solution ----make products with different functions;
3).Accessories ----make products with different language manual,port etc;
QC
We pay attention to High Quality.
All raw materials and accessories must be tested before entering production facilities.
Mass production will begin only if the products have been tested and have passed inspection.
During mass production, personnel will periodically check products to ensure randomized testing.
Before shipping,our QC will check it again strictly to ensure the High Quality.
All products 100% QC before shipment.
Warranty & Return
We offer one-year warranty for our products.
As long as there's no man-made problem, usually we can just add some pieces in your next order.
Professional service
Best production capability ,best quality control, Best Service .
What we can provide to you is not only just the products,but also the satisfying service.
Well-trained and experienced staffs to answer all your questions in time.
Established in 2005, Vistron Audio is a professional audio products manufacture located in Dongguan China.
We are specializing audio speaker,bluetooth speaker,speaker unit,power amplifier, plate amplifier, DJ equipment,DJ CD player.
With strong R&D team, we have much experienced OEM/ODM service, making your idea to becoming the real audio products.
Advanced production equipment,high quality products, experienced management and manufcaturing team making sure high evaluation from our customers.
We have also been adhering to "Customer-oriented, Quality First" philosophy and do our best to serve every client well!
Welcome all friends to visit our factory for friendship and business!
Address:No.17,Jicai Street ,Songgang District ,Qingxi Town,Dongguan city ,Guangdong Province,China.
Mobile:86+18923633826
Q1.Are you a trading company or factory?
A1.We are the real and professional manufacturer .
Q2.Can I start from sample order?
A2.Yes,sample order is supported.It is our pleasure to service you and you can test our superior quality and excellent service.
Q3.How about your payment methods?
A:For sample:T/T, Paypal, west union;
For production: T/T, L/C,or negotiable terms.
Q4.How do you handle the shipment for my order?
A4.Express,we offer express service (DHL,UPS,Fedex,TNT&EMS),it’s the fastest way to receive your order;
Air or Sea,we can send your order by air or sea.Its the most economic way to receive your order.
Q5.What is your company warranty policy?
A5.We offer 12 months warranty.For regular customers,we always offer them lifetime warranty.
Q6.Do you offer any replacement for my order?
A6.Yes,we will offer you the replacements based on the model and quantity you are going to order.
Q7.What kind of plug does your company offer with the amplifier?
A7.We can offer the plug of amplifier as your demands .
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