1. Introduction
Thank you for choosing the LONPOO LP42M Active Bookshelf Speakers. These speakers are designed to deliver high-quality audio with versatile connectivity options, suitable for various home audio setups. This manual provides essential information for safe and efficient use of your new speakers.
2. Safety Information
Please read all safety instructions carefully before using the product. Keep this manual for future reference.
- Power Source: Use only the provided power adapter. Ensure the voltage matches your local power supply.
- Ventilation: Do not block any ventilation openings. Maintain adequate space around the speakers for proper airflow.
- Water and Moisture: Do not expose the speakers to water, rain, or moisture. Avoid placing liquid-filled objects on or near the speakers.
- Heat: Keep the speakers away from heat sources such as radiators, heat registers, stoves, or other heat-producing appliances.
- Cleaning: Unplug the speakers from the power outlet before cleaning. Use a soft, dry cloth. Do not use liquid cleaners or aerosol cleaners.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
3. Package Contents
Verify that all items are present in the package:
- LONPOO LP42M Active Bookshelf Speaker Pair (1 powered speaker, 1 passive speaker)
- Remote Control x 1
- Speaker Wire (6.56ft / 2m) x 1
- Optical Cable (4.92ft / 1.5m) x 1
- AC Power Cord (3.94ft / 1.2m) x 1
4. Product Overview
The LONPOO LP42M speakers feature a classic wooden design with advanced audio components and multiple connectivity options.
4.1 Front Panel (Powered Speaker)
- Volume/Mode Knob: Rotate to adjust volume. Press to cycle through input modes.
- LED Indicator: Displays the current input mode (Red: Standby, Blue: Bluetooth, Green: Optical, Purple: Coaxial/USB, Yellow: AUX, Light Blue: Line-in).
4.2 Speaker Components
- 1-inch Silk Dome Tweeter: Delivers crisp and clear high frequencies.
- 4-inch Aluminum Cone Woofer: Provides rich and powerful bass.
- 12mm MDF Wood Cabinet: Ensures solid construction and minimizes resonance for improved audio clarity.
4.3 Rear Panel (Powered Speaker)
- TREBLE Button: Adjusts high-frequency output.
- BASS Button: Adjusts low-frequency output.
- POWER Switch: Turns the speaker system on or off.
- AC PORT: Connects to the AC power cord.
- SPEAKER OUT: Connects to the passive speaker using the provided speaker wire.
- LINE IN (RCA L/R): For connecting devices with RCA audio output (e.g., turntables, CD players).
- AUX IN: For connecting devices with a 3.5mm audio output.
- OPTICAL: For connecting devices with optical audio output (e.g., TVs, game consoles).
- COAXIAL: For connecting devices with coaxial audio output.
- USB INPUT: For connecting USB flash drives for audio playback or connecting to a PC.
5. Setup
5.1 Unpacking
Carefully remove all components from the packaging. Retain the packaging for future transport or storage.
5.2 Speaker Placement
For optimal sound quality, place the speakers on a stable surface, such as a bookshelf or speaker stands. Position them along a wall or near a corner of the room to enhance bass response. Ensure the speakers are equidistant from your listening position for a balanced stereo image.
5.3 Connecting the Speakers
Connect the powered speaker to the passive speaker using the provided speaker wire. Ensure the red wire connects to the red terminal and the white/black wire connects to the black terminal on both speakers.
5.4 Connecting to Audio Sources
The LP42M speakers offer multiple input options:
- Bluetooth: For wireless connection to smartphones, tablets, or other Bluetooth-enabled devices.
- USB: Connect a USB flash drive for direct audio playback or connect to a PC using a USB cable.
- Optical: Use the optical cable to connect to TVs, game consoles, or other digital audio sources.
- Coaxial: Use a coaxial cable to connect to compatible digital audio sources.
- RCA (Line In): Use RCA cables to connect to devices like turntables, CD players, or DVD players.
- AUX-in: Use a 3.5mm audio cable to connect to devices with a headphone jack.
5.5 Power Connection
Connect the AC power cord to the AC port on the rear of the powered speaker, then plug the other end into a wall outlet.
6. Operating Instructions
6.1 Power On/Off
Flip the POWER switch on the rear panel of the powered speaker to the 'ON' position to turn on the speakers. Flip it to 'OFF' to power down.
6.2 Input Selection
Press the Volume/Mode Knob on the front of the powered speaker or the 'MODE' button on the remote control to cycle through the available input modes: Bluetooth, Optical, Coaxial, RCA (Line In), USB, and AUX-in. The LED indicator will change color to reflect the selected mode.
6.3 Volume Control
Rotate the Volume/Mode Knob on the front of the powered speaker clockwise to increase volume and counter-clockwise to decrease volume. Alternatively, use the 'VOL+' and 'VOL-' buttons on the remote control.
6.4 Tone Control
Use the TREBLE and BASS knobs on the rear panel of the powered speaker to adjust the high and low frequencies to your preference.
6.5 Bluetooth Pairing
- Switch the speaker to Bluetooth mode (blue LED indicator).
- On your device (smartphone, tablet), enable Bluetooth and search for 'LP42M'.
- Select 'LP42M' to pair. Once connected, the blue LED will remain solid.
6.6 USB Playback
Insert a USB flash drive containing MP3/WMA audio files into the USB port. The speaker will automatically switch to USB mode and begin playback. Use the remote control for playback functions (play/pause, next/previous track).
6.7 Remote Control Functions
- Power Button: Turns the speakers on/off (standby).
- MODE: Cycles through input modes.
- BT: Directly switches to Bluetooth mode.
- VOL+/VOL-: Adjusts volume.
- Play/Pause, Next/Previous: Controls audio playback (USB/Bluetooth).
- OPT: Directly switches to Optical mode.
- EQ: Cycles through sound equalization presets.
- COAX: Directly switches to Coaxial mode.
- REPEAT: Repeats current track or playlist (USB).
- RESET: Resets settings.
- LINE IN: Directly switches to Line In (RCA) mode.
7. Maintenance
Proper maintenance ensures the longevity and performance of your speakers.
- Cleaning: Use a soft, dry, lint-free cloth to clean the speaker cabinets. Do not use abrasive cleaners, waxes, or solvents.
- Dust: Regularly dust the speaker grilles and surfaces to prevent dust buildup.
- Environment: Avoid placing speakers in direct sunlight, near heat sources, or in areas with high humidity.
8. Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound | Power not connected; incorrect input mode; volume too low; cables loose. | Ensure power is on; select correct input mode; increase volume; check all cable connections. |
| Bluetooth not connecting | Speaker not in Bluetooth mode; device too far; already paired with another device. | Switch speaker to Bluetooth mode; ensure device is within 10m range; disconnect from other devices and try pairing again. |
| Distorted audio | Volume too high; poor source quality; loose cable connection. | Reduce volume on speaker and source; try a different audio source; check cable connections. |
| Remote control not working | Batteries dead; obstruction between remote and speaker; remote not pointed at sensor. | Replace batteries; remove obstructions; ensure remote is pointed at the speaker's sensor. |
9. Specifications
| Feature | Specification |
|---|---|
| Speaker Type | Active Bookshelf Speakers |
| Output Power | 100W (50W x 2) |
| Woofer Diameter | 4 inches (Aluminum Cone) |
| Tweeter Diameter | 1 inch (Silk Dome) |
| Frequency Response | 40Hz-20kHz |
| Impedance | 4 Ohms |
| Signal-to-Noise Ratio (S/N) | 80dB |
| Connectivity | Bluetooth 5.3, Optical, Coaxial, RCA (Line In), USB, AUX-in (3.5mm) |
| Bluetooth Range | Up to 10 meters (33 feet) |
| Control Method | Remote Control, On-speaker Knobs |
| Cabinet Material | 12mm MDF Wood |
| Dimensions (each speaker) | 9.84" (H) x 7.07" (W) x 6.1" (L) / 25cm (H) x 18cm (W) x 15.5cm (L) |
| Weight (Pair) | 5.05kg (11.13 lbs) |
| Color | Brown |
10. Official Product Videos
Watch these official videos for additional setup and feature demonstrations:
LONPOO Premium Bookshelf Speakers LP-42M
Video: An official overview of the LONPOO LP-42M Premium Bookshelf Speakers, showcasing their design and key features.
Active Bookshelf Speaker 100W
Video: A short demonstration highlighting the active features and 100W power output of the bookshelf speakers.
11. Warranty and Support
The LONPOO LP42M speakers come with a Limited Warranty. Please refer to the warranty card included in your package for detailed terms and conditions.
For technical support, troubleshooting assistance, or warranty claims, please contact LONPOO customer service through the official website or your retailer.
