Taramps TS400X4 Review – Compact 4-Channel Class D Car Audio Amplifier
The Taramps TS400X4 is a compact Class D full-range car audio amplifier designed to deliver up to 400 watts RMS across four channels. With 100W RMS per channel at 2 ohms, flexible bridged operation, and built-in thermal and short-circuit protection, it is a versatile choice for upgrading factory or aftermarket car audio systems.
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| Taramps TS400X4 Review |
Key Specifications
Brand: Taramps
Product Type: 4-Channel Full-Range Class D Car Audio Amplifier
Output Power: 400W RMS (4 × 100W) at 2 ohms
4-Ohm Output: 252W RMS (4 × 63W)
Bridged Output: 400W RMS (2 × 200W) at 4 ohms
Frequency Response: 18Hz–30kHz
Minimum Output Impedance: 2 ohms
Dimensions: 5.43 × 1.93 × 4.76 inches
Weight: Approximately 1.32 lb
Main Features
Four-Channel Power
The amplifier provides 100W RMS per channel at 2 ohms, allowing you to power multiple speakers from a single compact amplifier. It can also deliver 63W RMS per channel when driving 4-ohm loads.
Full-Range Audio
With a frequency response of 18Hz to 30kHz, the TS400X4 is designed for full-range applications rather than being limited to subwoofer duties. This makes it suitable for a variety of speaker configurations.
Bridged Configuration
Two channels can be bridged to provide 200W RMS at 4 ohms, giving installers additional flexibility when configuring speakers or other compatible loads.
Built-In Protection
Thermal and output short-circuit protection helps protect the amplifier and connected components during demanding operation. The amplifier supports an 8VDC to 16VDC supply range for typical automotive electrical systems.
Performance
Performs exceptionally well for:
Upgrading factory car audio systems
Powering four full-range speakers
Compact custom car audio installations
Multi-speaker configurations where space is limited
Pros
400W RMS total output
Four independent channels
Supports 2-ohm speaker loads
Can be bridged for additional configuration flexibility
Full-range 18Hz–30kHz response
Compact and lightweight design
Thermal and short-circuit protection
Low idle consumption of approximately 0.8A
Cons
Fixed 90Hz HPF and LPF limit crossover adjustment flexibility
Requires appropriate wiring and a properly fused power connection
4-ohm speakers receive less power than 2-ohm loads
Installation is best handled carefully to ensure correct impedance and electrical connections
Who Should Buy This?
Ideal for:
Car audio enthusiasts upgrading factory systems
Drivers who need four channels from a compact amplifier
DIY installers building space-conscious audio systems
Users powering multiple full-range speakers from one amplifier
Final Verdict
The Taramps TS400X4 offers an excellent combination of compact size, four-channel versatility, and 400W RMS of total power. Its ability to run 2-ohm loads, operate full-range, and support bridged configurations makes it adaptable to a variety of automotive audio setups.
For anyone looking for a small Class D amplifier capable of powering multiple speakers without taking up much installation space, the TS400X4 is a strong option. Its fixed 90Hz crossover settings are the main limitation for users who want extensive sound-tuning control, but for straightforward multi-channel installations, it delivers an attractive balance of power, flexibility, and protection.
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