Professional 250W Class D Subwoofer Plate Amplifier with 20-200 Hz Frequency Response and <1% Total Harmonic Distortion
- Auto Power on/off select circuitry
- Switching power supply for excellent efficiency
- Switchable 110/230V power voltage
- Selectable 0°-180° phase
- Standby On/Auto mode options
- Variable gain level control
- Phase 0°/180° select switch & low pass variable control
- RCA input terminal
- Input Power: AC110V - 240V
- Protection: Output Short, over loads & over temperature
- Power & protect indicators
| Product Name | S12A CLASS D Subwoofer Plate Amplifier |
|---|---|
| Output Power | 250W |
| Frequency Response | 20-200 Hz |
| Total Harmonic Distortion | <1% |
| Signal to Noise Ratio | >100dB |
| Input Sensitivity | 180mV |
| Built-in Phase | 0°/180° Switchable |
| Built-in Standby Mode | ON / AUTO Switchable |
| Auto Off time | 15 mins |
| Auto On Sensitivity | 5 mV |
| Standby Power Consumption | Lower than 0.5W |
| Working Voltage | Same As Previous |
| Dimensions (W × H × D) | 235 × 204 × 3.0 mm |
Product package:
Normally we package products as follows:
Product in PE bag → Gift box or inner carton with EPE inside → Outer carton
We can design different package styles with your logo and shipping mark printing.
Shipping options:
- For samples: We ship via international express (FEDEX, DHL, UPS, etc.)
- For mass production orders: We ship by sea (FCL, LCL combined with other suppliers) or air transportation
- We are experts in foreign trade and ensure safe, fast delivery of your goods
Vistron Audio prioritizes quality and maintains necessary product and factory management certificates:
Product Certificates:
- EU market: CE (EMC, LVD, RF, ErP), RoHS, REACH
- US market: UL, FCC, ETL, NRTL
- Other markets: CB, CCC, PSE, KC, VDE, BSI, IC, etc.
Company Certificates:
Vistron has acquired ISO9001:2015 certification, ensuring strict factory management and quality systems.
Established in 1998, Vistron Audio has over 20 years of experience in research, design, manufacturing, marketing and engineering services for audio products.
Main product categories:
- Power amplifiers (Wireless audio amplifiers, subwoofer amplifiers, amplifier plates)
- Speakers (WiFi/Bluetooth speakers, Active/passive speakers, subwoofers, sound bars)
- Wireless audio (DAB, WiFi amplifiers, WiFi streamers)
- DJ equipment (DJ mixers, CD players, Midi controllers)
OEM is our main business line, serving over 100 brands worldwide. We also offer ODM services, creating products according to your designs and requirements.
Our professional factory employs over 200 workers in a 6000 square meter facility. We maintain strong R&D capabilities, qualified engineering teams, SMT production lines, and strict QC standards (AP, LMS, aging testing).
We are committed to excellent customer service, competitive pricing, fast delivery, and cutting-edge products. Your satisfaction is our ultimate goal.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.