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Compact black mono amplifier with front panel controls and rear speaker terminals

lelisten

lelisten M03 200W TPA3255 Mono Amplifier Pro Sound

SKU CH-ED9K-0WJM4

Mono amplifier with TPA3255 chip delivers 150 watts RMS into 4 ohms and includes a 32V power supply

  • TypeAmplifiers
  • TPA3255D2 chip delivers ultra-low distortion across the audio band
  • Switchable PBTL and SUB modes drive passive speakers or powered subwoofers
  • 150 watts RMS into 4-ohm loads for strong home-theatre output
  • Built-in 20-300 Hz low-pass filter tailors bass response precisely
  • Includes 32V 5A power supply for immediate desktop setup

Mono Amplifier for Passive Speakers and Subwoofers

The lelisten M03 uses a Texas Instruments TPA3255D2 chip with PurePath Ultra-HD technology to deliver ultra low distortion. It operates in two modes: PBTL for full-frequency mono amplification of passive speakers, and SUB for dedicated subwoofer duty. The included 32V 5A power supply enables 150 watts RMS into 4 ohms or 120 watts into 8 ohms.

Power Supply Limits and Mode Constraints

Maximum output of 200 watts requires a higher-current power supply than the one provided. In SUB mode the built-in low-pass filter covers 20 to 300 Hz for subwoofer integration. The amplifier is not suited for stereo setups or multi-channel home-theatre systems needing more than one mono channel.

Simple Desktop Installation With Mode Switch

Connect the supplied power adapter, select PBTL or SUB with the hardware switch, and attach speaker wires to the binding posts. Common issues include using the included adapter for full 200 watt output, forgetting to match speaker impedance to the chosen mode, and expecting stereo separation from a single mono channel.

Highlights

  • TPA3255D2 chip delivers ultra-low distortion across the audio band
  • Switchable PBTL and SUB modes drive passive speakers or powered subwoofers
  • 150 watts RMS into 4-ohm loads for strong home-theatre output
  • Built-in 20-300 Hz low-pass filter tailors bass response precisely
  • Includes 32V 5A power supply for immediate desktop setup

Specifications

TypeAmplifiers

Questions about this item

Should I choose the PBTL or SUB setting for my bookshelf speakers?

Use PBTL for full-frequency output to drive passive bookshelf speakers; switch to SUB only when connecting a passive or powered subwoofer that needs a dedicated low-pass signal.

What does the 200 W figure mean when the amp is running on the included 32 V supply?

With the supplied 32 V / 5 A adapter the amp delivers 150 W RMS into 4 Ω or 120 W RMS into 8 Ω; a higher-current power supply is required to reach the 200 W peak rating.

What does the SUB frequency control actually limit?

The built-in low-pass filter is adjustable from 20 Hz to 300 Hz, so in SUB mode only bass frequencies within that range are sent to the connected subwoofer.

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