1. Introducció
The KGUSS D70 MA12070 is a compact and powerful Class D digital amplifier designed for audiophiles and general audio enthusiasts. It allows you to connect passive speakers and enjoy high-fidelity music, making it suitable for various settings such as a study, living room, or bedroom. With support for Bluetooth 5.0, it offers convenient wireless audio transmission, freeing you from wired connections.
Image: KGUSS D70 amplifier connected to passive speakers in a home environment.
2. Contingut del paquet
Si us plau, reviseu el paquet amb cura per assegurar-vos que hi hagi tots els elements:
- 1 x KGUSS D70 Ampmés viu
- 1 x antena Bluetooth
- 1 x adaptador de corrent
- 1 x cable d'alimentació
- 1 x Quality Card
Image: All items included in the KGUSS D70 package.
3. Producte acabatview
3.1 Tauler frontal
Imatge: Frontal view of the KGUSS D70 ampmés viu.
- Interruptor d'alimentació: Activa o desactiva ampactivador/apagat.
- Indicador d'alimentació: S'il·lumina quan el ampel lifier està encès.
- Pom de volum: Ajusta el volum de sortida.
3.2 Panell posterior
Image: Rear panel connections of the KGUSS D70 ampmés viu.
- Bluetooth Input (ANT): Port for connecting the Bluetooth antenna, used for receiving Bluetooth audio signals.
- ENTRADA AUXILIAR DE 3.5 mm: Wired input port for connecting audio sources without Bluetooth (e.g., laptops, computers, decoders).
- Sortida d'altaveu (SPEAKER OUT): Two crystal binding posts for connecting passive speakers.
- Power Interface (DC-24V): Input for the power adapter (interface size: 5.5*2.5mm).
4. Configuració
Follow these steps to set up your KGUSS D70 ampmés viu:
- Connect Bluetooth Antenna: Screw the provided Bluetooth antenna into the 'ANT' port on the rear panel.
- Connectar els altaveus: Connect your passive speakers to the 'SPEAKER OUT' binding posts on the rear panel. Ensure correct polarity (+ to + and - to -).
Output Terminal Wiring Methods:
- Method 1 (Bare Wire):
- Unscrew the gland counterclockwise.
- Clamp the stripped metal speaker wire into the terminal.
- Tighten the gland clockwise.
- Method 2 (Banana Plug):
- Insert the speaker wire with a banana plug directly into the terminal.
Image: Speaker output terminal wiring instructions.
- Method 1 (Bare Wire):
- Connecta la font d'àudio:
- For wired connection: Use a 3.5mm audio cable to connect your audio source (e.g., laptop, smartphone, decoder) to the 'AUX IN' port.
- For wireless connection: Proceed to the Bluetooth Connection section (5.2).
Image: Audio signal flow from source to amplifier als altaveus.
- Connectar l'alimentació: Assegureu-vos el amplifier's power switch is in the 'OFF' position. Connect the power adapter to the 'DC-24V' input on the rear panel, then plug the power cable into a suitable electrical outlet.
5. Instruccions de funcionament
5.1 Funcionament bàsic
- Encès: Flip the power switch on the front panel to the 'ON' position. The power indicator will light up.
- Ajustar el volum: Rotate the volume knob on the front panel clockwise to increase volume and counter-clockwise to decrease it.
- Apagar: Flip the power switch to the 'OFF' position when not in use.
5.2 Connexió Bluetooth
The KGUSS D70 supports Bluetooth 5.0 for wireless audio streaming.
- Ensure the Bluetooth antenna is securely connected to the ampmés viu.
- Turn on the KGUSS D70 ampmés viu.
- On your audio source device (e.g., smartphone, tablet), enable Bluetooth and search for available devices.
- Select "D70" (or similar device name) from the list to pair and connect.
- Un cop connectat, podeu reproduir àudio sense fils a ampmés viu.
Image: Bluetooth pairing process on a mobile device.
El amplifier offers barrier-free transmission up to 10 meters.
Image: Bluetooth range demonstration.
6. Manteniment
- Neteja: Utilitzeu un drap suau i sec per netejar-lo amplifier's exterior. Avoid using liquid cleaners or solvents.
- Col·locació: Col·loca el amplifier on a stable, flat surface. Ensure adequate ventilation to prevent overheating, as the aluminum alloy body is designed for heat dissipation.
- Eviteu líquids: Mantenir el amplifier away from water and other liquids to prevent damage.
- Apagueu quan no estigui en ús: Apagueu el amplifier and unplug it from the power outlet during lightning storms or when left unattended for long periods.
7. Solució De Problemes
- Sense so:
- Comproveu si el amplifier is powered on and the power indicator is lit.
- Ensure all audio cables (AUX or speaker wires) are securely connected.
- Verify that the volume knob is turned up sufficiently on both the amplificador i el dispositiu font d'àudio.
- Confirm that the correct input source is selected (if applicable, though D70 automatically switches between AUX and Bluetooth).
- Comproveu les connexions dels altaveus per assegurar-vos que la polaritat sigui correcta i que estiguin ben ajustades.
- Problemes de connexió Bluetooth:
- Ensure the Bluetooth antenna is properly attached.
- Make sure Bluetooth is enabled on your source device and it's within the 10-meter range.
- Prova de desvincular i tornar a vincular el dispositiu.
- Reinicieu tots dos amplifier and your source device.
- So distorsionat:
- Redueix el volum en tots dos amplificador i la font d'àudio.
- Check if speaker impedance matches the amplifier's specifications (4-8Ω).
- Ensure audio cables are not damaged or loose.
8. Especificacions
Imatge: Especificacions tècniques detallades.
| Característica | Especificació |
|---|---|
| Marca | KGUSS |
| Model | D70 |
| Impedància de sortida | 4-8Ω |
| Potència de sortida | 2x70W (4Ω) / 2x35W (8Ω) |
| Entrada de potència | DC12V-DC19V (Official standard is 19V 4.75A) |
| Xip | MA12070 |
| Entrada d'àudio | 3.5mm AUX, Bluetooth |
| Consum d'energia en espera | 0.5W |
| Versió Bluetooth | 5.0 |
| Distància Bluetooth | <10 M |
| Suport Bluetooth | SBC/AAC 16Bit 44.1-48kHz |
| THD+N | <0.1% |
| SNR | 105 dB |
| Interval de resposta de freqüència | 20-20K@1kHz ±0.3dB |
| Power Socket Specifications | 5.5*2.5 mm |
| Pes d'una sola màquina | 250 g |
| Weight with Power Supply | 750 g |
| Dimensions (L*W*H) | 110 mm * 73 mm * 28 mm |
Image: MA12070 chip and key performance indicators.
9. Consells d'usuari
- For optimal sound quality and to prevent damage, ensure your passive speakers have an impedance rating between 4 and 8 ohms.
- When using Bluetooth, try to keep the amplifier and your source device within direct line of sight for the most stable connection.
- If you experience any hum or noise, try using a different power outlet or ensuring all connections are tight.
10. Garantia i Suport
This product is covered by a standard manufacturer's warranty. For technical support, warranty claims, or further assistance, please contact the seller or refer to the contact information provided with your purchase. Keep your proof of purchase for warranty purposes.
