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Multifunction and convenience, support Bluetooth / FM Raido / MP3 / MP4 / USB / TF / DVD / VCD / audio-in Mini professional 2-channel HiFi amplifier, suitable for car, motorcycle, boat, home with easy installation Seleted high-power four-channel professional power amplifier integrated circuits, minimal distortion strong performance With bass tuning/height adjustment button and four-mode switch button Pre-professional level input operation amplifier IC for circuit design, tone, transparent, bright; Product description DollaTek Mini Bluetooth Hi-Fi Stereo Audio AMP Amplifier Bass Booster MP4 12V Support FM / MP3 / TF / USB / DVD for Car Motorcycle Car CD DVD Description: Mini professional 2-channel HiFi amplifier, suitable for car, motorcycle, boat, home with easy installation. Multifunction and convenience, support Bluetooth / FM Raido / MP3 / MP4 / USB / TF / DVD / VCD / audio-in. Seleted high-power four-channel professional power amplifier integrated circuits, minimal distortion strong performance. With bass tuning/height adjustment button and four-mode switch button. Pre-professional level input operation amplifier IC for circuit design, sound, transparent, bright. Overload, short circuit, overheating protection. Filtering and anti-large circuit. Sound mode LED digital display. DSP sound field pattern of the four. Specification: Input voltage: DC 12 V. Output power: RMS 2 x 20 W, 1 kHz. Speaker impedance: 4-8 ohms FM radio frequency range: 87.5-108 MHz. Frequency response: 20 Hz - 20 kHz. Harmonic distortion: <0.05% 4W 1kHz SNR: > 75 dB. Dimensions (L x W x H): 154 x 130 x 41 mm. Material: aluminium. Colour: black. *** Note: This amplifier does not include the power supply (12V 3A) *** Package includes: 1 x stereo amplifier. 1 x remote control. 1 x English user manual; Product description DollaTek Mini Bluetooth Hi-Fi Stereo Audio AMP Amplifier Bass Booster MP4 12V Support FM / MP3 / TF / USB / DVD for Car Motorcycle Car CD DVD Description: Mini professional 2-channel HiFi amplifier, suitable for car, motorcycle, boat, home with easy installation. Multifunction and convenience, support Bluetooth / FM Raido / MP3 / MP4 / USB / TF / DVD / VCD / audio-in. Seleted high-power four-channel professional power amplifier integrated circuits, minimal distortion strong performance. With bass tuning/height adjustment button and four-mode switch button. Pre-professional level input operation amplifier IC for circuit design, sound, transparent, bright. Overload, short circuit, overheating protection. Filtering and anti-large circuit. Sound mode LED digital display. DSP sound field pattern of the four. Specification: Input voltage: DC 12 V. Output power: RMS 2 x 20 W, 1 kHz. Speaker impedance: 4-8 ohms FM radio frequency range: 87.5-108 MHz. Frequency response: 20 Hz - 20 kHz. Harmonic distortion: <0.05% 4W 1kHz SNR: > 75 dB. Dimensions (L x W x H): 154 x 130 x 41 mm. Material: aluminium. Colour: black. *** Note: This amplifier does not include the power supply (12V 3A) *** Package includes: 1 x stereo amplifier. 1 x remote control. 1 x English user manual; DollaTek Mini Bluetooth Hi-Fi Stereo Audio AMP Amplifier Bass Booster MP4 12V Support FM / MP3 / TF / USB / DVD for Car Motorcycle Car CD DVD Description: Mini professional 2-channel HiFi amplifier, suitable for car, motorcycle, boat, home with easy installation. Multifunction and convenience, support Bluetooth / FM Raido / MP3 / MP4 / USB / TF / DVD / VCD / audio-in. Seleted high-power four-channel professional power amplifier integrated circuits, minimal distortion strong performance. With bass tuning/height adjustment button and four-mode switch button. Pre-professional level input operation amplifier IC for circuit design, sound, transparent, bright. Overload, short circuit, overheating protection. Filtering and anti-large circuit. Sound mode LED digital display. DSP sound field pattern of the four. Specification: Input voltage: DC 12 V. Output power: RMS 2 x 20 W, 1 kHz. Speaker impedance: 4-8 ohms FM radio frequency range: 87.5-108 MHz. Frequency response: 20 Hz - 20 kHz. Harmonic distortion: <0.05% 4W 1kHz SNR: > 75 dB. Dimensions (L x W x H): 154 x 130 x 41 mm. Material: aluminium. Colour: black. *** Note: This amplifier does not include the power supply (12V 3A) *** Package includes: 1 x stereo amplifier. 1 x remote control. 1 x English user manual