Planet Audio TR4000.1D Monoblock Car Amplifier
Planet Audio TR4000.1D is a class D monoblock amplifier delivering high output for subwoofers with low pass crossover and low level inputs. Customers note good quality, easy tuning, and strong bass response at various power levels
Highlights
- 4000 max x 1 @1 ohm
- Class D efficiency
- low level input compatibility
Pros
- high power output at 1 ohm
- class D efficiency reduces power loss
- compact size due to efficiency
- low level inputs for integration
- adjustable low pass crossover
Cons
- mixed durability and reliability reported
- some units quit working or underperform
- heat can be a concern under full power
Best For
Features
- 4000 Max x 1 at 1 Ohm; 2000 Max x 1 at 2 Ohms
- 1000 x 1 at 4 Ohms; 8000 x 1 at 2 Ohms strapped
- Class D design reduces power loss and heat, enabling compact size
- MOSFET power supply provides precise output control and lower losses
- Stable for 1 Ohm loads, suitable for heavy subwoofer applications
