SMSL A300 HiFi Power Amplivligere

1. Introduksjon

The SMSL A300 is a high-performance Class D integrated amplifier designed for audiophiles. It features Bluetooth 5.0 connectivity, multiple input options, and the ability to configure a 2.1 audio system. This manual provides detailed instructions for setting up, operating, and maintaining your A300 ampfor å sikre optimal ytelse og lang levetid.

2. Sikkerhetsinformasjon

• Ikke utsett denne enheten for regn eller fuktighet.
• Ikke demonter enheten. Overlat all service til kvalifisert personell.
• Sørg for god ventilasjon rundt enheten for å unngå overoppheting.
• Bruk kun den spesifiserte strømadapteren og kablene.
• Hold enheten unna varmekilder, direkte sollys og sterke magnetfelt.

3. Produktet er overview

Front- og bakpaneloppsett

Figure 3.1: SMSL A300 Front and Rear Panel with labeled components.

The diagram above illustrates the various components and connections on the front and rear panels of the SMSL A300 amplifier. Each numbered item corresponds to the description below:

1. Skjerm: Shows current volume, input, and menu settings.
2. Remote Window: Infrarød mottaker for fjernkontrollen.
3. Knott: Multifunksjonskontroll for volumjustering og menynavigering.
4. Inndataknapp: Velger lydinngangskilde.
5. Menyknapp: Får tilgang til amplifier's settings menu.
6. På/av-knapp: Slår enheten på eller av.
7. Analog inngang 2: RCA input for external audio devices.
8. Analog inngang 1: RCA input for external audio devices.
9. Right Channel Output (BTL): Speaker output for BTL (Bridge-Tied Load) mode.
10. Koble til datamaskin (USB): USB input for connecting to a computer (supports up to 45kHz).
11. Bluetooth-antenne: For wireless Bluetooth reception.
12. Right Channel Output: Standard speaker output for the right channel.
13. Left Channel Output: Standard speaker output for the left channel.
14. Strøminngang: Connects to the AC power cable.
15. Subwooferutgang: Pre-output for connecting an active subwoofer.

4. Funksjoner

• Advanced Volume Control: Utilizes the Japanese NJRC NJW1194 electronic volume control chip for precise volume adjustment and minimal distortion.
• BTL (Bridge-Tied Load) Technology: Enhances power output and efficiency, allowing for up to 165W per channel into a 4Ω load in mono ampliifisert modus.
• Høy ytelse AmpLifier Chip: Incorporates the German Infineon MA5332MS digital high-power amplifier chip for high efficiency and low energy consumption.
• Allsidige inngangsalternativer: Supports RCA, USB, and Bluetooth 5.0 inputs for broad compatibility with various audio sources.
• 2.1 Audio System Capability: Features a dedicated subwoofer signal pre-output and a built-in high-pass filter circuit, enabling easy connection of an active subwoofer to form a 2.1 system.
• Lydtilpasning: Offers 8 preset EQ options and adjustable treble/bass controls to fine-tune the sound to your preference and speaker characteristics. Includes SMSL SDB patented sound effects.
• Robust konstruksjon: Crafted from aluminum alloy with precision CNC-processing, anodizing technology, and chamfering for a durable and refined finish.
• Brukervennlig drift: Intuitive operating system with a full-featured remote control for convenient use.

5. Oppsett

5.1 Koble til høyttalere

A300 amplifier supports both normal stereo mode and BTL (Bridge-Tied Load) mono mode for increased power output to a single speaker.

Figure 5.1: Normal Mode vs. BTL Mode Speaker Connections.

• Normal Mode (Stereo): Connect your left speaker to the 'Left' output terminals and your right speaker to the 'Right' output terminals on the rear panel. Ensure correct polarity (+ to + and - to -).
• BTL Mode (Mono): For higher power to a single speaker, connect the speaker to the dedicated 'Right Channel Output during BTL' terminals. Refer to the amplifier's menu to activate BTL mode (display will show 'br1' for mono, 'br0' for stereo).

5.2 Connecting a 2.1 Audio System

To enhance bass performance, you can connect an active subwoofer to the A300 amplifier to create a 2.1 audio system.

Figure 5.2: 2.1 Audio System Connection.

• Connect your passive speakers to the 'Left' and 'Right' channel outputs as described in Normal Mode.
• Connect the 'Subwoofer Output' (15) on the rear panel of the A300 to the input of your active subwoofer.
• The A300 features a built-in high-pass filter to optimize sound distribution between your main speakers and the subwoofer.

5.3 Inngangstilkoblinger

• RCA Inputs (Analog 1 & 2): Connect analog audio sources (e.g., CD player, turntable with pre-amp) to the 'Analog Input 1' (8) or 'Analog Input 2' (7) using RCA cables.
• USB-inngang: Connect a computer to the 'Connect to Computer (USB)' (10) port using a USB cable. This input supports audio up to 45kHz.
• Bluetooth: Ensure the Bluetooth antenna (11) is securely attached. For pairing, refer to the 'Operation' section.

6. Drift

6.1 Grunnleggende kontroller

• Slå på/av: Press the 'On/Off button' (6) on the front panel.
• Volumjustering: Rotate the 'Knob' (3) to adjust the volume level.
• Inndatavalg: Press the 'Input button' (4) to cycle through available input sources (RCA 1, RCA 2, USB, Bluetooth).
• Menynavigering: Press the 'Menu button' (5) to enter the settings menu. Use the 'Knob' (3) to navigate and select options.

6.2 Fjernkontroll

The A300 comes with a full-featured remote control for convenient operation from a distance. Point the remote towards the 'Remote Window' (2) on the front panel. The effective distance is typically 0-10 meters.

6.3 Bluetooth-paring

Figur 6.1: Bluetooth 5.0-tilkobling.

1. Select Bluetooth as the input source using the 'Input button' (4) or the remote control.
2. On your Bluetooth device (smartphone, tablet, etc.), search for available Bluetooth devices.
3. Select "SMSL A300" from the list to pair. Once paired, the display will indicate a successful connection.

6.4 Lydinnstillinger

• EQ forhåndsinnstillinger: Access the menu to select from 8 preset EQ options to tailor the sound profile.
• Justering av diskant/bass: Within the menu, you can manually adjust treble and bass levels to suit your listening preferences and speaker characteristics.

6.5 Skjerminnstillinger

The display brightness can be adjusted through the menu settings to match your environment.

7. Spesifikasjoner

8. Feilsøking

• Ingen lyd:
  • Check all cable connections (power, input, speaker).
  • Sørg for at riktig inngangskilde er valgt.
  • Kontroller høyttalertilkoblinger og polaritet.
  • Sjekk volumnivået på begge amplifieren og kildeenheten.
  • If in BTL mode, ensure the speaker is connected to the correct BTL output.
• Bluetooth kobler ikke til:
  • Ensure Bluetooth input is selected on the A300.
  • Make sure the Bluetooth antenna is securely attached.
  • Delete "SMSL A300" from your device's Bluetooth list and try pairing again.
  • Flytt enheten nærmere amplivligere.
• Forvrengt lyd:
  • Reduser volumnivået.
  • Se etter løse kabelforbindelser.
  • Sørg for at høyttalerne dine er kompatible med amplierens utgangseffekt.
• Fjernkontrollen fungerer ikke:
  • Kontroller batteriet i fjernkontrollen.
  • Pass på at det ikke er noen hindringer mellom fjernkontrollen og amplifier's remote window.
  • Point the remote directly at the remote window.

9. Vedlikehold

• Rengjøring: Bruk en myk, tørr klut til å rengjøre utsiden av enheten. Ikke bruk flytende rengjøringsmidler eller aerosoler.
• Ventilasjon: Ensure the ventilation openings are clear and not obstructed by dust or other objects.
• Lagring: Hvis enheten skal lagres over lengre tid, må den kobles fra strømforsyningen og oppbevares på et kjølig og tørt sted.

10. Garanti og støtte

S.M.S.L is committed to providing excellent products and services. All S.M.S.L products purchased from authorized retailers are 100% authentic.

• Garantiperiode: Products typically come with a 1-year warranty from the date of purchase (may vary depending on product and region).
• Kundestøtte: For any questions or assistance, please contact the seller or S.M.S.L customer service. Online support is available.