1. Introduction
Thank you for purchasing the Blastking I77BDR15AU BDR Series 15-inch Active Speaker. This manual provides essential information for the safe and efficient operation of your new speaker. Please read this manual thoroughly before use and retain it for future reference.
The Blastking I77BDR15AU is a powerful 1200W active speaker designed for various audio applications, featuring a 15-inch woofer, integrated USB digital player, and versatile input options.
2. Safety Instructions
- Power Source: Connect the speaker only to a power supply of the type described in this manual or marked on the unit. Ensure the power cord is not damaged.
- Ventilation: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Water and Moisture: This speaker is not waterproof. Do not expose it to rain or moisture to prevent fire or electric shock.
- Heat: Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Grounding: Do not defeat the safety purpose of the polarized or grounding-type plug.
- Servicing: Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
- Cleaning: Clean only with a dry cloth.
- Mounting: Ensure the speaker is placed on a stable, floor-standing surface.
3. Package Contents
Upon opening the package, please verify that all items are present and in good condition:
- Blastking I77BDR15AU Active Speaker (1 unit)
- Power Cable
- Remote Control
- User Manual (this document)
4. Product Overview
4.1 Front View
Image 1: Front view of the Blastking I77BDR15AU speaker. This image displays the speaker's front grille, protecting the 15-inch woofer and tweeter. The Blastking logo is visible at the bottom center of the grille.
4.2 Side View
Image 2: Side view of the Blastking I77BDR15AU speaker. This image highlights the robust, molded plastic casing and the integrated side handle, designed for easy transport and positioning of the speaker.
4.3 Rear Panel and Controls
Image 3: Rear panel of the Blastking I77BDR15AU speaker. This view shows the comprehensive control interface, including the USB Digital Player, master volume, tone controls (treble, bass), microphone and line inputs, and power switch.
4.4 USB Digital Player
Image 4: Close-up of the USB Digital Player. This detailed view shows the LCD screen displaying mode, play time, repeat status, and EQ settings. Below the screen are control buttons for play/pause, volume/track skip, mode, repeat, and EQ, along with a USB port.
4.5 Remote Control
Image 5: Remote control for the Blastking I77BDR15AU speaker. This remote provides convenient wireless control over the speaker's functions, including power, mode selection, playback controls, EQ, and volume adjustments.
5. Setup
5.1 Speaker Placement
- Place the speaker on a stable, flat surface. The I77BDR15AU is designed for floor standing use.
- Ensure adequate ventilation around the rear panel to prevent overheating.
- Avoid placing the speaker in direct sunlight or near heat sources.
5.2 Power Connection
- Ensure the speaker's power switch (located on the rear panel) is in the 'OFF' position.
- Connect the provided power cable to the AC IN socket on the rear panel of the speaker.
- Plug the other end of the power cable into a suitable electrical outlet.
5.3 Audio Input Connections
The I77BDR15AU offers various input options:
- Microphone Inputs (MIC IN): Use XLR or 1/4" TRS cables to connect microphones. Adjust individual MIC VOL controls.
- Line Inputs (LINE IN): Use XLR, RCA, or 1/4" TRS cables to connect external audio sources such as mixers, CD players, laptops, smartphones, or tablets. Adjust individual LINE VOL controls.
- USB Digital Player: Insert a USB flash drive into the USB port on the rear panel to play audio files directly.
6. Operating Instructions
6.1 Powering On/Off
- After connecting all necessary cables, switch the power button on the rear panel to the 'ON' position. The power indicator light will illuminate.
- To power off, switch the power button to the 'OFF' position.
6.2 Volume and Tone Adjustment
- MASTER VOL: Controls the overall output volume of the speaker. Start with this control at a low setting and gradually increase.
- TREBLE: Adjusts the high-frequency response. Turn clockwise for brighter sound, counter-clockwise for softer highs.
- BASS: Adjusts the low-frequency response. Turn clockwise for more bass, counter-clockwise for less bass.
- MIC VOL: Adjusts the volume for connected microphones.
- LINE VOL: Adjusts the volume for connected line-level audio sources.
6.3 Using the USB Digital Player
- Insert a USB flash drive containing MP3 or other compatible audio files into the USB port.
- The player will automatically detect the USB drive and begin playback, or you may need to press the 'MODE' button to select USB mode.
- Use the control buttons below the display:
- MODE: Switches between input modes (e.g., USB, Line).
- PLAY/PAUSE: Starts or pauses playback.
- V-/PREV: Decreases volume or skips to the previous track.
- V+/NEXT: Increases volume or skips to the next track.
- REPEAT: Cycles through repeat modes (e.g., repeat one, repeat all).
- EQ: Cycles through equalizer presets.
6.4 Using the Remote Control
The included remote control allows for convenient operation from a distance. Functions typically include power on/off, mode selection, play/pause, track skip, volume adjustment, and EQ presets. Refer to Image 5 for button layout.
7. Maintenance
- Cleaning: Disconnect the speaker from the power outlet before cleaning. Use a soft, dry cloth to wipe the exterior surfaces. Do not use liquid cleaners or aerosols.
- Storage: When not in use for extended periods, store the speaker in a cool, dry place, away from direct sunlight and extreme temperatures.
- Inspection: Periodically check the power cord and input cables for any signs of damage.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable not connected; Power switch off; Outlet not working | Ensure power cable is securely connected; Turn power switch ON; Test outlet with another device |
| No sound output | Master volume too low; Input volume too low; Incorrect input selected; Audio cable faulty | Increase MASTER VOL and relevant input volume (MIC VOL/LINE VOL); Press MODE button to select correct input; Check and replace audio cables if necessary |
| Distorted sound | Volume too high (clipping); Faulty audio source; Damaged speaker component | Reduce MASTER VOL and input volumes; Test with a different audio source; If distortion persists, contact service personnel |
| USB player not working | USB drive not inserted correctly; Incompatible file format; USB drive corrupted | Re-insert USB drive; Ensure files are in a compatible format (e.g., MP3); Try a different USB drive |
9. Specifications
| Feature | Specification |
|---|---|
| Brand | Blastking |
| Model Name | I77BDR15AU |
| Speaker Type | Woofer |
| Speaker Size | 15 Inches |
| Maximum Speaker Output Power | 1200 Watts |
| Output Wattage (RMS) | 1000 Watts |
| Audio Output Mode | Stereo |
| Surround Sound Channel Configuration | 2.0 |
| Mounting Type | Floor Standing |
| Power Source | Corded Electric |
| Control Method | Voice (via compatible devices), Manual, Remote |
| Compatible Devices | Laptop, Smartphone, Tablet, Television |
| Product Dimensions | 48.26 x 40.64 x 76.2 cm |
| Product Weight | 20 Kilograms (44.2 Pounds) |
| Waterproof | False |
| Number of Items | 1 |
| ASIN | B00E6ML700 |
| First Available | March 31, 2017 |
10. Warranty and Support
The Blastking I77BDR15AU BDR Series 15-inch Active Speaker comes with a limited warranty. Please refer to the warranty card included with your product for specific terms and conditions regarding coverage and duration.
For technical support, service inquiries, or to obtain detailed warranty information, please contact Blastking customer service through their official website or the contact information provided in your product packaging.