Sure, here's a refined and simplified English title based on the original: Bluetooth Audio Power Amplifier - 2X120W, Portable Stereo Receiver with USB, Subwoofer Amplification

The Pyle Dual Channel Audio Amplifier is a compact home theater amplifier system that offers a versatile range of features. It boasts a microphone mode that can be selectively set to pager or mixing, allowing for seamless integration into various audio applications. The rear panel features multi-source RCA (L/R) audio connectors, enabling users to connect a variety of external devices, as well as speaker terminal connectors for easy speaker setup.

One of the key features of this amplifier is the USB Flash drive reader, which supports MP3 digital audio file playback. Additionally, it includes a 1/4" headphone jack and a 3.5mm (aux) input, allowing users to connect and stream audio from external devices. The front panel features a button control center, making it easy to select the desired audio source and configure the sound settings.

The amplifier's sound configuration options include bass, treble, balance, master volume, and microphone volume controls, ensuring users can tailor the audio to their preferences. This versatile device can be utilized in both home audio and studio DJ sound applications.

In terms of technical specifications, the Pyle Dual Channel Audio Amplifier boasts an impressive power output of 2 x 120 watts max, with a frequency response of 20-20KHz. The rated power input is 750mV, and the total harmonic distortion (T.H.D.) is 0.3%, with an impressive signal-to-noise ratio of 80dB. The tone controls offer a +/-12dB range, and the input sensitivity is 1 kHz @ 4-Ohm.

The amplifier supports MP3 digital audio files and can accommodate USB flash drives up to 32GB in size. It features a convenient fuse (1.5A, 5x20mm) and a voltage selector (110/220V) for global compatibility. The compact dimensions of 8.2" x 6.6" x 2.8" make it an ideal choice for a variety of audio setups.

One of the standout features of this amplifier is its powerful 2 x 120 watts output, which makes it suitable for both stereo and PA applications. The multiple input options, including AUX1, AUX2, and CD, allow users to connect a wide range of audio sources, such as tuners, CD players, DVD players, MP3 players, and computers.

The pager/mixing mode feature is particularly noteworthy, as it enables users to switch between pager mode, where the microphone signal overrides the audio for hosting and meetings, and mixing mode, which is perfect for karaoke sessions.

The USB 2.0 input, with its dedicated LED indicator, allows users to conveniently play their favorite audio files directly from a flash drive. Additionally, the 1/4" microphone input jack and 1/4" headphone jack provide further flexibility in connecting and monitoring audio sources.

Lastly, the amplifier's use of a high-quality "Toroidal" transformer and double-sided printed circuit board (PCB) design ensures exceptional performance and crisp sound quality, making it an excellent choice for a wide range of audio applications.

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