The Donner DKM-100 Rock-Bus Multipurpose Speaker System is a versatile audio device designed for various applications, including music playback, microphone use, and guitar amplification. It offers a rich and delicate frequency response thanks to its multi-speaker configuration and includes features for radio, Bluetooth connectivity, and portable use.
Function Description
The DKM-100 Rock-Bus Multipurpose Speaker System serves as a comprehensive audio solution. Its primary functions include:
- Music Playback: Supports playback via USB interface, AUX input, and Bluetooth connectivity from mobile phones or other external audio devices.
- Radio Functionality: Features FM/AM radio with automatic station search and the ability to save up to 15 preset radio stations across FM1, FM2, and AM groups.
- Microphone Input: Allows for connection of wired microphones, with independent controls for microphone volume and echo effects. It also includes 6 voice effects (Female voice, Male voice, Kid voice, Robot Voice, Auto tune, Reverb) to enhance singing experiences.
- Guitar Input: Provides an independent channel for acoustic guitar input, complete with high-frequency and low-frequency EQ adjustment, as well as volume and gain controls.
- Portable Design: Equipped with a telescopic handle and wheels, making it convenient for outdoor use.
- Charging Capability: Features a USB charger output (5V 1A) for charging mobile phones or pads.
Important Technical Specifications
- Overall Frequency Response: 50-20kHz
- Power Amplifier: 80Watt (RMS)
- HF Driver: 3-inch, 4Ω, 10Watt
- MF Driver: 3-inch, 4Ω, 10Watt
- LF Driver: 8-inch, 4Ω, 60Watt
- Bluetooth: V5.0, A2DP, AVRCP
- USB Charger Output: 5V 1A Output
- Power: AC Adapter 100-240V 50/60Hz, 15V2.4A
- Weight: 7.69 KG
- Dimensions: W370mm*D233mm*H415.5mm
- Inputs: FM/AM, 2x Mic input, Aux Input, USB Charger, Bluetooth, 1/4" Acoustic guitar input.
- Accessories: Owner's Manual, 2x Wired Microphones, AC Adapter.
Usage Features
The DKM-100 offers a user-friendly interface with a clear LED display and intuitive controls:
- LED Display: Provides all necessary information, including battery power, Bluetooth mode, bass boost status, FM/AM preset group, and current radio station value/mode.
- Mode Button: Switches between AUX, BLUETOOTH, and FM/AM modes.
- Navigation Buttons: Skip back/forward buttons for track selection or searching radio stations.
- Play/Pause Button: Controls music playback.
- Preset Button: Quickly recalls stored radio stations.
- BASS BOOST Button: Enhances low-frequency performance.
- Voice FX Button: Activates and cycles through 6 voice effects for the microphone.
- POWER Button: Long press to turn the device ON/OFF.
- FM1/FM2/AM Button: Selects different preset storage groups for FM and AM radio.
- SAVE Button: Saves current radio stations to preset slots.
- EQUALIZR (BASS & TREBLE): Adjusts bass and treble for guitar input.
- VOL & GAIN: Adjusts guitar input volume and gain.
- MASTER: Controls the overall master volume.
- MIC VOL: Controls the volume of plug-in microphones.
- ECHO VOL: Adjusts the echo volume for microphones.
- Battery Charging: Connects to a standard indoor wall socket using the provided AC adapter. The screen displays charging status, and the system includes automatic shutdown protection upon full charge.
- Troubleshooting: The manual provides solutions for common issues such as no power, no sound from FM/AM, Bluetooth, AUX input, guitar input, or microphone.
Maintenance Features
To ensure the longevity and proper functioning of the DKM-100:
- Cleaning: Use a soft, dry, or damp cloth for cleaning. Avoid paint thinners, solvents, cleaning fluids, or chemically stained rags. Do not apply excessive force to switches or control buttons.
- Storage: When not in use for a long time, pull out the AC adapter and store it properly.
- Environmental Conditions: Optimal operating environment is a temperature range of 15°C to 35°C and humidity of 75%.
- Power Supply: Only use the specified AC adapter. Turn off the power supply when not in use.
- Connection Safety: Always turn off the power switch of all devices before connecting them to the DKM-100 to prevent damage.
- Heat Sources: Do not install the apparatus near heat sources like radiators, heat registers, stoves, or other heat-producing apparatus (including amplifiers).
- Cord Protection: Protect the AC adapter/power cord from being walked on or pinched, especially at plugs, convenience receptacles, and the point where they exit the apparatus.
- Lightning Storms/Long Periods of Disuse: Unplug the apparatus during lightning storms or when unused for long periods.
- Battery Care: Do not expose batteries to excessive heat such as sunshine, fire, or similar conditions.
- Hearing Protection: To prevent possible hearing damage, avoid listening at high volume levels for extended periods.
- Disposal: The product is classed as Electrical or Electronic Equipment and should not be disposed of with other household or commercial waste. Follow local authority recycling processes for disposal.
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