Surfans KDR-888 Powered Bookshelf Speakers, 100W Maximum Output, 2.0 HiFi Stereo, Built-in DSP, HDMI ARC, Bluetooth 5.3, mega bass， Karaoke，TV, CD, PC

• Bring records and CDs back into your home — Connect a record player or CD player through AUX and enjoy your collection without a separate amplifier or receiver. If your turntable has no built-in phono preamp, use an external preamp.
• Low volume high dynamic，Built for music, dialogue and movie nights — With 100W maximum output, each speaker pairs a 4-inch fiberglass PP-cone woofer with a 1.25-inch silk-dome tweeter, helping bass stay controlled while vocals, instruments and dialogue remain clear.
• One system for records, TV and Bluetooth — Use AUX for a record player, CD player or PC; HDMI ARC, optical or coaxial for PCM TV audio; and Bluetooth 5.3 for phones and PCs. Add an optional powered subwoofer through Sub Out.
• Match the sound to what you're listening to — Select Music, Movie, News, 3D or X-Bass from the remote for albums, films, dialogue, 3D surround or enhanced bass. Fine-tune treble and bass from -8 to +8 to suit your listening preferences.
• Share the music with two wireless microphones — The included mics make duets and home karaoke easy, with adjustable mic volume and echo plus microphone-priority and vocal-cancel controls. Compatible 14500 batteries are required and not included.

Powered 2.0 HiFi Stereo

Bring Records and CDs Back Into Your Home

Connect a record player or CD player through AUX and enjoy your collection through a powered stereo pair. No separate amplifier or receiver is required. If your turntable has no built-in phono preamp, add an external preamp.

100W Maximum Output

Two-Way Sound in a 12 mm Cabinet

Each speaker pairs a 4-inch fiberglass PP-cone woofer with a 1.25-inch silk-dome tweeter. The 12 mm cabinet panels help reduce unwanted enclosure vibration and sound coloration, supporting controlled bass, focused vocals and clear detail across records, CDs, TV and movies.

HDMI ARC for TV Audio

Bring Stereo Sound to TV Nights

Connect a compatible TV through HDMI ARC for a streamlined setup, or use optical or coaxial. Select the matching KDR-888 input and set the TV's digital audio output to PCM for movies, dialogue and everyday viewing.

Bluetooth 5.3 Desk Setup

Stream from a phone, tablet or compatible computer with Bluetooth 5.3, or use AUX for a wired desk setup. No separate amplifier is required.

Built-In DSP, Your Sound

Choose Music, Movie, News, 3D or X-Bass, then adjust treble and bass from -8 to +8 steps to suit your content, room and listening preferences.

Two Mics for Home Karaoke

Sing duets with two included wireless mics, adjustable volume and echo, priority and vocal-cancel controls. 14500 batteries required, not included.

Sub Out for 2.1 Expansion

Connect an optional powered subwoofer through Sub Out, switch to 2.1 mode and adjust its level from the remote. Subwoofer sold separately.

• Do I need a separate amplifier or receiver?

  No. KDR-888 is a powered bookshelf speaker pair with amplification built into the main speaker. Connect the two speakers, plug the system into AC power and select your source.

• How do I connect a record player?

  Connect the record player to the AUX input. If the turntable has no built-in phono preamp, add an external phono preamp between the turntable and KDR-888.

• Why is there no sound from HDMI ARC, optical or coaxial?

  Confirm the cable and selected KDR-888 input, then set the TV or source device's digital audio output to PCM. These digital inputs accept PCM audio.

• Are the two wireless microphones ready to use out of the box?

  Two wireless microphones are included, but compatible 14500 batteries are required and not included. Confirm the correct battery specification before first use.

• Can I connect a subwoofer?

  Yes. Connect an optional powered subwoofer to Sub Out, switch KDR-888 to 2.1 mode and adjust the subwoofer level from the remote. The subwoofer is sold separately.

Surfans KDR-888 Technical Specifications

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Product description

Coaxial PCM Input

Connect a compatible digital audio source through coaxial input, select Coaxial on KDR-888 and set the source device to PCM output.

” data-position=”triggerHorizontal” />AUX for Records, CDs and PCs

Connect a record player, CD player,HiFi mp3 Player or PC with line-level output through AUX. A turntable without a built-in phono preamp requires an external preamp.

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Sub Out for 2.1 Expansion

Connect an optional powered subwoofer through Sub Out, switch to 2.1 mode and adjust its level from the remote. Subwoofer sold separately.

• Do I need a separate amplifier or receiver?

  No. KDR-888 is a powered bookshelf speaker pair with amplification built into the main speaker. Connect the two speakers, plug the system into AC power and select your source.

• How do I connect a record player?

  Connect the record player to the AUX input. If the turntable has no built-in phono preamp, add an external phono preamp between the turntable and KDR-888.

• Why is there no sound from HDMI ARC, optical or coaxial?

  Confirm the cable and selected KDR-888 input, then set the TV or source device’s digital audio output to PCM. These digital inputs accept PCM audio.

• Are the two wireless microphones ready to use out of the box?

  Two wireless microphones are included, but compatible 14500 batteries are required and not included. Confirm the correct battery specification before first use.

• Can I connect a subwoofer?

  Yes. Connect an optional powered subwoofer to Sub Out, switch KDR-888 to 2.1 mode and adjust the subwoofer level from the remote. The subwoofer is sold separately.

Surfans KDR-888 Technical Specifications

System Type	Powered 2.0 HiFi stereo bookshelf speaker pair with amplification built into the main speaker.
Maximum Output	100W maximum output.
Driver Configuration	Each speaker uses a 4-inch fiberglass PP-cone woofer and a 1.25-inch silk-dome tweeter.
DSP Sound Modes	Music, Movie, News, 3D and X-Bass.
Audio Inputs	Bluetooth 5.3, HDMI ARC (PCM), optical (PCM), coaxial (PCM), AUX and USB music playback.
Subwoofer Output	Sub Out for an optional powered subwoofer. Switch to 2.1 mode and adjust the subwoofer level from the remote.
Bluetooth	Bluetooth 5.3 with SBC codec support.

Frequency Response	35 Hz-20 kHz.
Signal-to-Noise Ratio	89 dB.
Tone and Level Controls	Master volume 0-30; treble and bass -8 to +8; microphone volume and echo 0-30; subwoofer level 0-30. Values are adjustment steps, not dB.
Wireless Microphones	Two wireless microphones are included. Compatible 14500 batteries are required and not included.
Dimensions per Speaker	Approximately 5.9 W x 7.1 D x 10.0 H inches (150 x 180 x 255 mm).
Cabinet Panel Thickness	12 mm cabinet panels.
Power Input	AC 100-240V, 50/60Hz.