Sumico SU803 Karaoke Amplifier integrates a powerful digital sound processor (DSP) for today’s modern karaoke systems. It offers versatile connectivity via Bluetooth, USB, and Optical, allowing music playback from smartphones, USB drives, and karaoke singing directly from TVs.
Sumico SU803 Amplifier delivers a true output power of 350W per channel (8 Ohms), making it easy to pair with a wide range of home karaoke speaker systems. Its amplification stage employs high-current transistors, oversized European-standard toroidal transformers, and large-capacity power filter capacitors that minimize noise and stabilize the power supply. Premium-grade components ensure reliable and powerful performance with crystal-clear sound across the frequency range, providing abundant energy for excellent speaker control with no distortion even at high volume levels during extended use.
Provide modern Bluetooth connectivity for seamless wireless music playback and karaoke.
Play high-quality music and sing along with background tracks directly via USB input.
Sing karaoke conveniently with YouTube content from TV through Optical connection to the amplifier.
Integrate the latest-generation professional DSP signal processor to deliver bright yet smooth sound with outstanding authenticity, supported by advanced features for noise reduction, feedback suppression, and squeal control ensuring the best possible vocal performance.
Incorporate a 24-bit/192kHz DAC to decode high-resolution audio signals from TV, HD players, and USB devices for more detailed and refined sound output.
Support maximum connectivity with other audio devices in the karaoke system.
Remote Control
Key Tone Adjustment feature (raising/lowering music tone) makes Karaoke singing easier.
Offer 4 simple Karaoke sound modes (KTV1, KTV2, KTV3, KTV4) with built-in default reverb effects tailored to different voices and music genres.
Provide 4 additional Karaoke sound modes (EFF1 → EFF4) designed for professional performance style, also with pre-set reverb effects.
Include 6 Music modes (Music 1 → Music 6) for personalized background music listening.
Allow quick manual adjustment of Microphone volume, Music volume, Echo, and Reverb, along with detailed EQ frequency control to fine-tune the sound of both Music and Microphone according to personal preference and vocal characteristics.
The Music section offers 7-band EQ, HPF (high-pass filter) to cut low frequencies, and LPF (low-pass filter) to cut high frequencies.
The Microphone section also provides 7-band EQ, HPF, and LPF for more precise vocal control.
FBX button quickly activates the feedback suppression feature to eliminate howling noise caused by audio feedback.
3 rear Microphone inputs conveniently support wireless microphone receiver connections, ensuring neat and aesthetic setup.
Analog inputs: 2 × RCA Left/Right for BGM and AUX.
Digital input: Optical port for connecting to TV, Karaoke player, or HD player, convenient for high-quality audio.
Sub Out (RCA Left/Right): connects to active subwoofer with built-in power amplifier.
Main Out: serves as an external Effect output for sound systems with large power amplifiers.
Connect to a computer via the USB port to configure the required technical parameters as needed. Users can save newly customized settings for convenient use, suitable for different music genres and vocal styles.
Banana-plug speaker terminals allow flexible plug-in/out connections, with twist-lock terminals for quick bare-wire installation.
Cooling fan ensures stable operation at maximum performance over long periods, with quiet operation that does not cause noise.
Digital Input | 1 x USB Type A 3 x HDMI 1 x Optical |
Analog Outputs (RCA) | 1 x REC ( Record) 1 x Center/SUB (Subwoofer) |
Dimensions (H x W x D) | 120 x 435 x 410mm |
Weight | 13.5 kg |
Power | (8 Ohms) 350W / channel |
Wireless Connectivity |
Bluetooth |
Microphone Input | 2 x 6.3mm (1/4") |
Analog Inputs (RCA) | 1 x DVD 1 x VOD |