Your Reliable Audio Amplifier Manufacturer
As a high-performance amplifier manufacturer, LayviKay specializes in producing professional power amplifiers such as 2-channel, 3-channel, and 4-channel models, which have perfect high-frequency resolution extension and nice mid-frequency, as well as also powerful low-frequency shock.
These power amplifiers are designed with new technology to improve the efficiency of amplification. In addition, they have built-in protection of PCB circuits, with overload, output DC, and power-on delay protection functions.
Furthermore, the fan speed can be controlled automatically while the temperature rise can be adjusted intelligently.
Contact our sales team and tell us your needs, we are happy to recommend the most suitable audio amplifier products for you.
2U 2 channel Power Amplifier
2CH Pro Power Amplifiers
Model:ST-A228-350
- Stereo Output(8Ω):2x350W
- Stereo Output(4Ω):2x550W
- Bridged Output(8Ω):1000W
- Size:482x400x88.5(mm)
Model:ST-A228-550
- Stereo Output(8Ω):2x550W
- Stereo Output(4Ω):2x950W
- Bridged Output/8Ω:1800W
- Size:482x492x88.5(mm)
Model:ST-A228-650
- Stereo Output(8Ω):2x650W
- Stereo Output(4Ω):2x110W
- Bridged Output(8Ω):2000W
- Size:482x492x88.5(mm)
Model:ST-A228-750
- Stereo Output(8Ω):2x750W
- Stereo Output(4Ω):2x1400W
- Bridged Output(8Ω):2500W
- Size:482x492x88.5(mm)
More Parameters
- Freq. Resp.: 20Hz-20 kHz @ (0/-0.25 dB)
- THD＜0.05% @1kHz, 10% Rated Power
- IMD＜0.1% @ 60 Hz/7 kHz, 10% Rated Power
- Damping Coefficient > 400:1 @ 1 kHz,8 ohms
- Crosstalk Between Channels: > 80 dB @ 8Ω 1kHz
- S/N Ratio: >110 dB(A)
- Switching rate＞60 V/us
- Input Impedance:10 kΩ（unbalanced inputs ）/ 20 kΩ (balanced inputs）
- Input Sensitivity: 0.775 V/1.0 V/1.4 V
- Workng Temperature -10℃~40℃
- Storage Temperature-30℃ ~85℃
- Input Socket: XLR Male/XLR Female
- Output Socket: NEUTRIK (NL4.+1.-1)/ Anti-touch terminals
- DC Protection
- Short Circuit Protection
- Sensitivity Overheating Management System
- Overheat Protection
- Input Overload Protection
- Output Overload
- Soft Start Protection
Bubble + carton + plywood batten;1pc/carton.
ST-A228-350 Outer Carton Size:56X52X14.5cm,net weight:18kg
ST-A228-550/650/750:Outer Carton Size:57X54X17cm,net weight:19/23/25/27kg
Class AB,Class H or Class TD circuits can be customized.
Customized your brand is optional.
Vocal Concert,Recording Studio,Large Conference,Karaoke,Bar,Villa & Home Audio System project.
How To Order
For small quantity order,we will deliver you by air such as DHL/Fedex/UPS/TNT. For bulk order, we will deliver you by sea.
- Tell us your needs
- We quote you accurate prices within 24 hours
- Pay us by T/T,L/C or D/P
- Delivery the goods
- Fulfillment of warranty period services
Prices & Q'ty
CIF Price: USD $250-750 /PC
M.O.Q.: 10 PCS
Different order quantities, shipping methods and parameter requirements will be different prices, please contact our sales for the most accurate quotation.
Visit More Feature Audio Amplifiers
How can we help your business?
Quick reply your requirement and deliver professional technical solutions efficiently!We listen and care your needs,our sales team will get in touch with you in 24 hours.
Some FAQ you are concerning
How to deliver the goods?
1)If your purchase quantity is small, we will deliver it to you via air courier such as DHL/Fedex/UPS/TNT. The delivery time is approximately 3 to 5 working days depending on your destination.
2)If your purchase quantity is large, we will deliver it to you by sea; the liner shipping time is approximately 4 weeks. The shipping costs will become very low.
What is your lead time?
The lead time is about 7-15 workdays base on your order quantity.
What is your payment?
Normally, the payment is 30% deposit, the balance against copy of the B/L. We have many negotiated payment methods depending on the order amount.
What is your M.O.Q.?
10pcs
Do you have drop shipping service?
We offer full service for retail resellers according to your packing requirements, as well as third-party warehouse delivery.
Do you have after-sales service?
Our after-sales team will contact you and resolve the after-sales issue.They will respond positively to any quality problems and handle them properly.