boytone BT-428F - User Manual

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BT-428F

Operation explanation:

2.1CH MULTIMEDIA SPEAKER SYSTEM

DEAR CUSTOMER:

Thank you to buy the product !

Prior to first use, please read the manual carefully.

注：A4大小，105g铜版纸黑色双面印刷，根据虚线对折，封面在前.C852KBJU-HN6A(BT-428F)--F38-08520-017 刘东兴

Features:

Quality 2.1 speaker system with built-in amplifier

Full audio spectrum performances, ideal for your favourite entertainment

from Mp3, Mp4, CD/DVD movies and digital playbacks

Specially designed woofer cabinet for bass and resolution

Comes with remote control and RCA stereo connection

～120V/60Hz

W216xH325xD341(mm)

W96xH268xD117(mm)

22W+14Wx2(RMS)

satellite

5.25" subwoofer

Package contents:

subwoofer cabinet 1 pc

satellite speakers 2 pcs

User manual 1 pc

Audio input cord 1 pc

remote control 1 pc

FM ANT 1 pc

Warranty card

Front panel

1. ST-BY/

5. /VOL+

4. /VOL-

3. TONE

2. SOURCE

-BY/

SOURCE

L-

TONE

(4)(1) (5)(2) (3)

ST-BY/ : In USB/SD/BT mode, short press means pause. In AUX/DVD

mode, short press means mute. Long press means stand-by

mode in all modes.

SOURCE: Change the input mode.

TONE: Press TONE key to select the TREBLE and BASS. And use the

volume knob to adjust the TREBLE -6~+6, BASS 00~30.

/Vol-: In USB/SD/BT mode, short press means playing previous song;

In FM mode, short press means playing previous channel.

Long press means volume decrease in all modes.

/Vol+: In USB/SD/BT mode, short press means playing next song;

In FM mode, short press means playing next channel. Long

press means volume increase in all modes.

How to use the remote control

1. ST-BY

2. SOURCE

3. TONE

4. TUNING-

5. VOL+

6. PREVIOUS

7. VOL-

8. 0~9

9. MUTE

10. LED effect

11. MEMORY

12.TUNING+

13. PLAY/PAUSE

14. NEXT

VOL+

LED

TONE MEMORY

TUNE+

TUNE-

VOL-

SOURCE

(1)

(2)

(5)

(3)

(4)

(6)

(8)

(7)

(9)

(10)

(11)

(12)

(14)

(13)

1. Press “ST-BY” LED showing “AU18”, it is AUX mode playing state.

2. “MUTE” means to activate or deactivate mute.

3. “SOURCE” means you can choose AUX, DVD, USB/SD, FM, BT input mode,

at the same time, the LED will show “Au18” means AUX mode, “Du18” means

DVD mode. “87.5” means FM mode, “bL18” means BT mode.

4. “TONE” means you can choose “TREBLE” and “BASS” “VOL+/-” means

you can increase or decrease volume of “TREBLE” or “BASS”.

5. When enter into FM mode, press “MEMORY” the number on the LED will

Blink. This means the machine is under save channel state. You can change the

blinking number by pressing “NEXT” or “PREV”, press “PLAY/PAUSE” you can

save the channel into same number. It will enter into automatic search channel

and automatic save channel when pressing “MEMORY” for 3-5 seconds

(noted: the channel which you saved before will be deleted when you press

“MEMORY” for 3-5 seconds.

Need help?

Do you have a question about the boytone BT-428F and is the answer not in the manual?

Summary

Product Specifications and Features

Technical Specifications

Detailed specifications including power, drive units, frequency response, S/N, distortion, and dimensions.

Key Features

Highlights of the speaker system's capabilities and design aspects.

Package Contents

List of all items included in the product package.

User Interface and Operation

Front Panel Controls

Explanation of buttons and indicators on the front panel.

Remote Control Functions

Detailed guide to using the remote control buttons and their operations.

Remote Operation Modes

Specific instructions for operating the system via remote in FM, USB/SD, and Bluetooth modes.

System Connections and Setup

Rear Panel Connections

Identification and purpose of ports on the rear panel, including antenna, inputs, and power.

Connection Diagram and Setup

Instructions and visual guide for connecting audio sources, speakers, and powering on the system.

Important Usage Notes

General Precautions

Important warnings and advice for safe and optimal use of the speaker system.

This document describes the Boytone BT-428F 2.1CH Multimedia Speaker System, providing operational instructions, technical specifications, and usage guidelines.

Function Description

The Boytone BT-428F is a 2.1 channel multimedia speaker system designed for various audio entertainment needs. It features a built-in amplifier and delivers a full audio spectrum performance, making it suitable for use with MP3, MP4, CD/DVD players, and digital playbacks. The system includes a subwoofer cabinet specifically designed for enhanced bass and resolution, along with two satellite speakers. It comes with a remote control and RCA stereo connection for versatile connectivity.

The system supports multiple input modes, including AUX, DVD, USB/SD, FM radio, and Bluetooth. Users can switch between these modes using the SOURCE button on both the front panel and the remote control. The front panel also features controls for ST-BY (standby/pause/mute), TONE (treble/bass adjustment), and VOL-/VOL+ for volume control and track/channel navigation.

In USB/SD mode, the system allows for playing previous/next songs, play/pause, and direct song selection using numbers on the remote. For FM radio, it supports tuning to previous/next channels, automatic search, and saving channels to specific numbers. The Bluetooth functionality enables wireless connection to mobile devices, allowing users to stream music. The system also includes an LED effect feature, allowing users to change the lighting display.

Important Technical Specifications

Power Audio: 22W + 14W x 2 (RMS)
Drive Units: 3" x 2 satellite speakers + 5.25" subwoofer
Frequency Response:
- Satellites: 120Hz-20KHz
- Subwoofer: 20Hz-170Hz
Separation: ≥40 dB
S/N (Signal-to-Noise Ratio): ≥70dB
Distortion: <0.5% (1K, 1W)
Power Supply: ~120V/60Hz
Dimensions:
- Subwoofer: W216 x H325 x D341 (mm)
- Satellite: W96 x H268 x D117 (mm)
Package Contents:
- Subwoofer cabinet: 1 pc
- Satellite speakers: 2 pcs
- Remote control: 1 pc
- User manual: 1 pc
- Audio input cord: 1 pc
- FM ANT: 1 pc
- Warranty card: 1 pc

Usage Features

Front Panel Controls:

ST-BY/II: In USB/SD/BT mode, a short press pauses playback. In AUX/DVD mode, a short press mutes the audio. A long press activates standby mode across all modes.
SOURCE: Changes the input mode (AUX, DVD, USB/SD, FM, BT).
TONE: Selects TREBLE or BASS. The volume knob is then used to adjust TREBLE from -6 to +6, and BASS from 00 to 30.
K/VOL-: In USB/SD/BT mode, a short press plays the previous song. In FM mode, a short press plays the previous channel. A long press decreases the master volume.
►►I/VOL+: In USB/SD/BT mode, a short press plays the next song. In FM mode, a short press plays the next channel. A long press increases the master volume.

Remote Control Functions:

ST-BY (1): Pressing this button when the LED shows "AU18" indicates AUX mode playback.
MUTE (2): Activates or deactivates mute.
SOURCE (3): Selects input modes (AUX, DVD, USB/SD, FM, BT). The LED display will show corresponding indicators like "Au18" for AUX, "Du18" for DVD, "87.5" for FM, and "bL18" for BT.
TONE (4): Allows selection of TREBLE or BASS. Use VOL+/- to adjust the selected tone.
TUNING- (4) / TUNING+ (12): Decreases/increases the frequency of channel selection. Long pressing these buttons continuously decreases/increases the frequency.
VOL+ (5) / VOL- (7): Increases/decreases the master volume.
PREVIOUS (6) / NEXT (14): In USB/SD mode, plays the previous/next song. In FM mode, navigates to the previous/next saved channel.
0-9 (8): In USB/SD mode, directly selects a song by its number.
LED effect (10): Changes the LED lighting display (LED1 - LED6 - LEDF).
MEMORY (11): In FM mode, pressing this button makes the channel number on the LED blink, indicating it's in save channel state. Use NEXT/PREV to change the blinking number, then PLAY/PAUSE to save the channel. Pressing MEMORY for 3-5 seconds initiates automatic search and save of channels, overwriting previously saved channels.
PLAY/PAUSE (13): In USB/SD mode, plays or pauses playback.

Bluetooth Mode:

Press the SOURCE button on the remote to switch to Bluetooth input mode. The LED display's right bottom will flash for 2 seconds, indicating it's searching for a Bluetooth device.
Turn on your mobile device's Bluetooth and search for "BT SPEAKER". Pair the devices. Once successfully paired, the LED will stop flashing.
During music playback, the LED will flash once per second.
Functions like PREVIOUS/NEXT, PLAY/PAUSE can be operated via the front panel.
To force-disconnect a mobile device in BT mode, press "II" for 3 seconds.

System Connection:

Audio Sources: Connect the 3.5" stereo cable to the input of the subwoofer. Connect the 3.5 stereo input jack into the output of audio sources such as MP3, MP4, walkman, or computer.
Power On: Power on the system and adjust the master volume to a suitable level. Adjust "VOL" to meet your specific requirements.
Speaker Terminals: Connect the left and right channel satellite speakers to the 2.1 speaker output terminals.
ANTENNA (1): Connect the FM antenna for radio reception.
AUX/DVD INPUT (2): Connect to sound sources like computers, CD players, MP3 players.
Output (3): Connect the satellite speakers.
AC IN (4): Connect the AC power cord.

Maintenance Features

Initial Setup: Before first use, read the manual carefully.
Magnetism: Do not leave objects generating magnetism near the speakers, as this can interfere with their operation or sound quality.
Remote Control Battery: If the remote control is not functioning, it may be due to a depleted battery. Replace the battery as needed.