SDRD SD-315 Karaoke Speaker

Operating Instructions

All instructions should be read carefully before operation and followed.

• The speaker should be situated away from heat sources such as radiators, and not exposed to moist air or water.
• Place the unit on a stable place to prevent it from falling.
• The speaker should only be connected to a power supply described in the operating instructions.
• Users should not attempt to repair the speaker if they are not professional.
• Disconnect the power cable from the outlet and switch off before cleaning the unit. Use only a soft cloth; no harsh abrasives or chemicals should be used as they will damage the appearance.
• The power cable of the speaker should be unplugged from the outlet and the power switch should be off when left unused for a long period.

Packing List

• Speaker: 1pc
• Microphone: 2pcs
• User Manual: 1pc
• Stereo Audio Cable: 1pc
• USB Charging Cable: 1pc

Description

The SDRD SD-315 is a karaoke speaker with multiple playback modes including USB, TF card, Bluetooth, and AUX.

Schematic Diagram

The device features controls for Power (ON/OFF), Volume Down (VOL-), Previous/Music (

VOL-), LED on/off/Pause/Play (

LED on/off), Next/Volume Up (

VOL+), and Music/Original Sound (Music/Orig).

It has ports for DC 5V input, AUX, TF card, and USB.

Play Mode

• Charging: Insert the power cable into the "DC 5.0V" port to charge the built-in battery.
• AUX: Insert audio equipment into the "AUX" port to play music from devices like mobile phones, MP3 players, and computers.
• MP3 Function (TF card/U disk): Insert a TF card into the "TF" port or a U disk into the USB port to play music.

Button Functions

1. MODE: Converts between Bluetooth, TF card, U disk, and AUX modes.
2. /VOL-: Short press for PREVIOUS song; long press to decrease volume.
3. / Led on/off: Short press to pause/play music; long press to turn on/off colorful neon lights for a KTV atmosphere.
4. /VOL+: Short press for NEXT song; long press to increase volume.
5. Music/Orig: Short press to cancel the original singer's voice, allowing for karaoke.

Instructions for Use

Upon powering on, the device defaults to Bluetooth mode. Search for the Bluetooth device named "SDRD" on your phone for connection. The device automatically switches to TF card mode when a TF card is inserted, USB mode when a U disk is inserted, and AUX mode when a 3.5MM audio cable is connected. If both TF card and USB are inserted simultaneously, press the MODE button to switch between them.

Singing Instructions

When the speaker is turned on, the wireless microphone connects by default. Turn on the wireless microphone's "ON/OFF" switch to sing in any speaker mode. Adjust the reverb effect using the "ECH" button and voice volume using the "VOL" button on the microphone to achieve the desired singing effect.

A flashing blue light on the wireless microphone indicates a low battery that needs charging.

Notes

• Please use a 5V/2A charger for charging. Do not play music while charging.
• When the microphone is on, do not point it directly at the speaker to avoid howling.

Product Parameters

• Power Output: 10W+10W
• Frequency Response: 100Hz - 18KHz
• Drive Unit: 3IN*2
• Signal-to-Noise Ratio (S/N): ≥75db
• Lithium Battery: 7.4V/1500 mAh
• Materials: Plastic
• Color Box Size: 280*175*230mm
• Quantity per Carton: 12pcs/ctn
• Carton Size: 580*545*480mm

FCC Compliance

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.