Introducció
Thank you for choosing the Coolmusic DM30 30W Drum Amplificador. Això amplifier is designed to provide clear and powerful sound for electronic drums, keyboards, and other instruments, featuring wireless Bluetooth connectivity and versatile input/output options. This manual provides essential information for the safe and efficient operation of your amplificador. Llegiu-lo atentament abans d'utilitzar-lo i conserveu-lo per a futures consultes.
1. Configuració
1.1 Desembalatge i inspecció
Traieu amb cura amplifier from its packaging. Inspect the unit for any signs of damage that may have occurred during transit. Ensure all components, including the power adapter, are present.
1.2 Connexió d'alimentació
- Assegureu-vos el amplifier's power switch is in the 'OFF' position.
- Connect the provided 18V/3A DC power adapter to the 'DC-IN' port on the rear panel of the ampmés viu.
- Connecteu l'adaptador de corrent a una presa de corrent de CA adequada.
1.3 Instrument Connection
The DM30 amplifier features two input channels for instruments and an AUX input for external audio sources.

This detailed image shows the amplifier's control interface, including two input jacks (INPUT 1, INPUT 2) with independent gain controls, a 3-band equalizer (LOW, MID, HIGH), AUX input, Bluetooth volume, and the power switch.
- Entrada 1 i entrada 2: Connect your electronic drum kit, keyboard, or other instruments to the 'INPUT 1' or 'INPUT 2' jacks using standard 1/4-inch instrument cables. Each input has an independent gain control knob.
- Entrada AUX: For connecting external audio devices like MP3 players or smartphones via a 3.5mm stereo cable, use the 'AUX' input. Adjust its volume using the 'AUX' knob.
1.4 Vinculació Bluetooth
El amplifier supports wireless audio streaming via Bluetooth.

Aquesta imatge il·lustra la amplifier's Bluetooth capability, showing a smartphone screen with 'DM30' listed as a discoverable device, indicating the process for wireless audio streaming.
- Enceneu el ampmés viu.
- Activate Bluetooth on your audio device (e.g., smartphone, tablet).
- Cerca available devices and select 'DM30' from the list.
- Un cop emparellat, podeu reproduir àudio sense fil al amplifier. Adjust the Bluetooth volume using the dedicated 'Bluetooth' knob on the control panel.
2. Instruccions de funcionament
2.1 Engegada/apagada
Press the 'POWER' switch to turn the amplifier on or off. Allow a few seconds for the amplifier to initialize after powering on.
2.2 Ajust de volum
- Input 1 / Input 2: Use the 'INPUT 1' and 'INPUT 2' gain knobs to adjust the volume for connected instruments.
- AUX: Use the 'AUX' knob to control the volume of devices connected to the AUX input.
- Bluetooth: Use the 'Bluetooth' knob to adjust the volume of wirelessly streamed audio.
2.3 Equalizer (EQ) Controls
The DM30 features a 3-band equalizer to shape your sound.

This diagram points out the two-speaker system of the DM30 amplifier: an 8-inch woofer for low frequencies and a 2-inch tweeter for high frequencies, designed for full-range sound reproduction.
- BAIX: Adjusts the bass frequencies. Turn clockwise to boost bass, counter-clockwise to cut bass.
- MITJÀ: Adjusts the mid-range frequencies. Turn clockwise to boost mids, counter-clockwise to cut mids.
- ALTA: Adjusts the treble frequencies. Turn clockwise to boost treble, counter-clockwise to cut treble.
2.4 Sortida d'auriculars
For silent practice, connect standard stereo headphones to the 1/8-inch headphone output jack. The main speaker output will be muted when headphones are connected.
2.5 DI Out Functionality

This image focuses on the rear connections of the amplifier, specifically the 18V/3A DC power input and the D.I. OUT port, which allows for balanced audio output to external mixers or recording devices.
The 'D.I. OUT' port on the rear panel provides a balanced audio output. This allows you to connect the amplifier's signal directly to a mixing console, audio interface, or another active speaker system for recording or larger sound reinforcement without needing to mic the ampmés viu.
3. Manteniment
3.1 Neteja
Netegeu l'exterior de la amplifier with a soft, dry cloth. Do not use abrasive cleaners, solvents, or waxes, as these can damage the finish. Avoid spraying liquids directly onto the ampmés viu.
3.2 Emmagatzematge
Quan no s'utilitzi durant períodes prolongats, guardeu-lo amplifier in a cool, dry place away from direct sunlight and extreme temperatures. Disconnect the power adapter.
3.3 Precaucions de seguretat
- No bloquejar les obertures de ventilació.
- No exposar el ampllifer a la pluja o la humitat.
- No intenteu fer el servei amplifier yourself. Refer all servicing to qualified personnel.
- Utilitzeu només l'adaptador d'alimentació subministrat.
4. Solució De Problemes
4.1 Sense sortida de so
- Assegureu-vos el amplifier is powered on and the power indicator light is illuminated.
- Check all volume knobs (Input 1, Input 2, AUX, Bluetooth) are turned up.
- Verify that instrument cables are securely connected and functional.
- Si feu servir auriculars, assegureu-vos que estiguin correctament connectats i proveu-los amb una altra font d'àudio.
- If using Bluetooth, confirm successful pairing and that the source device's volume is up.
4.2 So distorsionat
- Reduce the input gain for the connected instrument.
- Lower the overall volume of the ampmés viu.
- Check the EQ settings; extreme boosts can cause distortion.
- Ensure the instrument's output level is not too high.
4.3 Problemes de connexió Bluetooth
- Assegureu-vos el amplifier is within range of the Bluetooth device (typically 10 meters/33 feet).
- Turn off and on the Bluetooth function on both the amplificador i el vostre dispositiu.
- Forget the 'DM30' device on your audio source and attempt to re-pair.
- Ensure no other devices are actively connected to the amplifier mitjançant Bluetooth.
5. Especificacions

This image provides the physical dimensions and weight of the Coolmusic DM30 amplifier, indicating its compact and portable design.
| Característica | Detall |
|---|---|
| Número de model | SB-122 |
| Potència de sortidatage | 30 watts |
| Altaveus | Woofer de 8 polzades, tweeter de 2 polzades |
| Impedància | 4 ohms |
| Resposta de freqüència | 20Hz - 20KHz |
| Entrades | 2 x 1/4" Instrument Inputs, 1 x 3.5mm AUX Input |
| Sortides | 1 x 1/8" Headphone Output, 1 x DI OUT (Balanced) |
| EQ | 3-Band (Low, Mid, High) |
| Connectivitat sense fil | Bluetooth |
| Font d'alimentació | Corded Electric (18V/3A DC Adapter) |
| Dimensions del producte (P x A x A) | 12.2" x 13.58" x 11.42" (31 cm x 34.5 cm x 29 cm) |
| Pes de l'article | 11 lliures (5 kg) |
| Color | Negre |
6. Garantia i Suport
For warranty information or technical support, please refer to the documentation provided with your purchase or contact Coolmusic customer service through their official weblloc web o al vostre distribuïdor. Conserveu el comprovant de compra per a reclamacions de garantia.