ctory Direct Supply 4-Channel Class AB Car Amplifier
Product Introduction
This professional 4-channel car amplifier adopts classic Class AB circuit design, delivering powerful and stable sound performance. It supports two working modes, which can drive four door speakers separately or work in bridged mode to power passive subwoofers, perfectly meeting diverse car audio upgrade needs. It is an ideal choice for factory sound system improvement and entry-level audio modification.
Specifications
| Item | Specification |
| Model | C-266 |
| Channel | 4 Channel (2 Channel Bridged Available) |
| Amplifier Class | Class AB |
| RMS Power | 50W × 4 @ 4Ω |
| Max Peak Power | 6800W |
| Signal to Noise Ratio (SNR) | ≥92dB |
| Total Harmonic Distortion (THD) | ≤0.15% |
| Frequency Response | 10Hz – 20kHz |
| Operating Voltage | DC 10V ~ 15V |
| Load Impedance | 2Ω ~ 8Ω |
| Front Crossover | HPF 40Hz~500Hz, HP/LP/FULL 3 Modes |
| Rear Crossover | 40Hz~150Hz, HP/LP/FULL 3 Modes |
| Bass Boost | 0dB ~ 12dB Adjustable |
| Level Control | Independent MIN-MAX knob for Front & Rear |
| Audio Ports | 3 RCA Input, 1 RCA Line Output |
| Protection Functions | Thermal / Short / Over-Current / Under-Voltage Protection |
| Indicators | Green POWER LED, Red PROTECT LED |
| Heat Sink Material | Thick Brushed Layered Aluminum Alloy |
| Fuse | Built-in Replaceable Blade Fuse |
| Compatible Vehicles | All DC 12V Sedans, SUVs, Vans, Light Trucks |
Key Features
- Dual Working Modes & Powerful Sound Performance
The amplifier outputs strong and steady power to create rich and layered sound field. With dedicated bridged terminals, it can combine channels to release stronger power for subwoofers. It produces deep and punchy bass without distortion even at high volume, adapting to various music styles including pop, rock, EDM and vocal songs.
- Professional Independent Sound Tuning
Front and rear channels are equipped with independent crossover control, offering three optional modes: high pass, low pass and full range. You can freely adjust frequency to optimize mid and treble performance for front sound field. The rear channel comes with bass boost function to enhance low-frequency impact. Standard RCA ports enable easy connection with original car head unit, and extra RCA output allows you to expand additional audio devices conveniently.
- Efficient Heat Dissipation & Comprehensive Protection
Built with thick brushed aluminum heat sink with layered structure, it accelerates heat dissipation effectively and ensures long-time stable operation even when playing music loudly. The built-in multi-protection system guards against overheating, short circuit, over-current and under-voltage. Equipped with clear indicator lights, the working status can be checked at a glance to protect both the amplifier and speakers.

- Compact Body & Easy Installation
Featured with slim and compact appearance, the amplifier can be hidden under car seats or beside the trunk, saving interior space. Standard power and speaker terminals are clearly marked for simple and correct wiring. It fits all 12V vehicles such as sedans, SUVs, vans and light trucks.
- Durable Structure & Custom Service
Reinforced screw terminals ensure firm wiring and prevent loose connection caused by bumpy roads. The dust-proof sealed chassis can resist high temperature, dust and vibration inside the car. We support bulk order, drop shipping and OEM custom logo service, which is widely favored by auto modification stores and cross-border sellers.
Business Cooperation Inquiry
Feel free to contact us for quotation, minimum order quantity, custom solutions, stock status and certification documents. We reply inquiries promptly and provide free product materials and professional industry solutions. Let’s create win-win cooperation together!
Contact: WhatsApp / WeChat: +86 13922322386





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