1. Sarrera
Thank you for choosing the LTC 3-Channel 60W Public Address Amplifier with USB/SD-MP3. This manual provides essential information for the safe and efficient operation of your new amplifier. Please read it thoroughly before use and keep it for future reference. This amplifier is designed for public address applications, offering versatile input options including microphones, auxiliary devices, and integrated USB/SD card playback.
2. Segurtasun-argibideak
Funtzionamendu segurua bermatzeko eta kalteak saihesteko, jarraitu segurtasun neurri hauek:
- Energia iturria: Konektatu amplifier only to the specified power sources (12V DC or 220V AC) as indicated on the unit. Ensure the voltage zure tokiko elikadura hornidura bat dator.
- Aireztapena: Ez blokeatu aireztapen-irekidurarik. Ziurtatu aire-fluxu egokia dagoela unitatearen inguruan gehiegi berotzea saihesteko.
- Hezetasuna: Ez busti amplifier to rain, moisture, or excessive humidity. Keep it away from liquids.
- Garbiketa: Deskonektatu korrontea garbitu aurretik. Erabili zapi lehor eta leun bat. Ez erabili garbitzaile likidorik edo aerosolik.
- Zerbitzua: Ez saiatu produktu hau zeuk konpontzen. Konponketa guztiak zerbitzu-langile kualifikatuei eskatu. Unitatea irekitzeak aire-energia arriskutsuen eraginpean jar zaitzake.tages edo beste arrisku batzuk.
- Lekua: Jarri amplifier on a stable, flat surface. Avoid placing it near heat sources or in direct sunlight.
- Gainkarga: Ez gainkargatu amplifier. Ensure connected speakers match the amplifier's impedance and power ratings.
3. Produktua amaitu daview
The LTC 3-Channel 60W Public Address Amplifier is a versatile audio solution designed for various PA applications. It features multiple input options and an integrated MP3 player for convenience.
3.1 Aurrealdeko panelaren kontrolak eta konexioak

Image: Front panel of the LTC 3-Channel 60W Public Address Amplifier. Visible controls include volume knobs for MIC1, MIC2, and MP3/AUX, a Master volume knob, a Power switch, a Siren switch, and input jacks for MIC1, MIC2, and AUX. The MP3 player section features a display, USB port, and SD card slot.
- SIREN SW: Switch to activate the built-in siren sound.
- PUSH OFF / ON / OF Power Switch: Main power switch for the ampbiziagoa.
- MIC 1 Volume: Rotary knob to adjust the volume level for Microphone Input 1.
- MIC 2 Volume: Rotary knob to adjust the volume level for Microphone Input 2.
- MP3/AUX Volume: Rotary knob to adjust the volume level for the MP3 player and Auxiliary input.
- MASTER Bolumena: Rotary knob to control the overall output volume of the ampbiziagoa.
- MIC 1 sarrera: 6.3mm jack for connecting Microphone 1.
- MIC 2 sarrera: 6.3mm jack for connecting Microphone 2.
- AUX sarrera: 6.3mm jack for connecting external audio sources (e.g., CD player, smartphone).
- USB/SD MP3 Player: Integrated player with USB port and SD card slot for direct playback of audio files. Includes control buttons (Play/Pause, Prev/Vol-, Next/Vol+, Repeat, EQ) and an LCD display.
3.2 Ezaugarri nagusiak
- Mobile or fixed amplifier with 12V battery (car, boat) or 220V mains power supply.
- Integrated MP3 player with USB and SD ports for music playback.
- Includes a siren for powerful sound and an MP3 control screen with a blue LCD display.
4. Konfigurazioa
Follow these steps to set up your ampbiziagoa:
4.1 Energia-konexioa
- For 220V AC Operation: Connect the supplied power cord to the AC input on the rear panel of the amplifier and then to a standard 220V AC wall outlet.
- 12 V DC funtzionamendurako: Connect a 12V DC power source (e.g., car battery) to the 12V DC input terminals on the rear panel. Ensure correct polarity (+ to + and - to -).
- Ziurtatu amplifier's power switch is in the 'OFF' position before connecting to power.
4.2 Bozgorailuen konexioa
- Locate the speaker output terminals on the rear panel of the ampbiziagoa.
- Connect your speakers to these terminals, ensuring correct polarity (positive to positive, negative to negative).
- Verify that the total impedance of the connected speakers is compatible with the amplifier's output specifications to prevent damage.
4.3 Audio Sarrerako Konexioa
- Mikrofonoak: Insert your microphones into the MIC 1 and/or MIC 2 input jacks on the front panel.
- Gailu lagungarriak: Connect external audio sources (e.g., smartphone, laptop, CD player) to the AUX input jack on the front panel using an appropriate 6.3mm audio cable.
- USB/SD euskarria: Insert a USB flash drive into the USB port or an SD card into the SD card slot on the front panel for MP3 playback.
5. Funtzionamendu-argibideak
Behin ampLikidorea konfiguratuta dagoenean, jarraitu urrats hauek funtzionatzeko:
5.1 Piztu/Itzaltzea
- Ziurtatu konexio guztiak seguruak direla.
- Turn the MASTER volume knob to its minimum position.
- Flip the POWER switch to the 'ON' position. The power indicator light will illuminate.
- To power off, turn the MASTER volume to minimum and then flip the POWER switch to 'OFF'.
5.2 Mikrofonoaren erabilera
- Connect your microphone(s) to the MIC 1 and/or MIC 2 inputs.
- Slowly increase the MIC 1 and/or MIC 2 volume knob(s) to the desired level.
- Adjust the MASTER volume for overall output.
- Avoid pointing microphones directly at speakers to prevent feedback (howling).
5.3 AUX sarreraren erabilera
- Connect your external audio device to the AUX input.
- Ensure the volume on your external device is set to a moderate level.
- Slowly increase the MP3/AUX volume knob to the desired level.
- Adjust the MASTER volume for overall output.
5.4 MP3/USB/SD Playback
- Insert a USB flash drive into the USB port or an SD card into the SD card slot. The amplifier will automatically detect the media and begin playback.
- Erabili 'ERREPRODUZITU/PAUSATU' botoia erreprodukzioa hasteko edo pausatzeko.
- Use the 'PREV/VOL-' button to go to the previous track or press and hold to decrease volume.
- Use the 'NEXT/VOL+' button to go to the next track or press and hold to increase volume.
- Erabili 'ERREPIKATZEKO' botoia errepikapen moduen artean aldatzeko (adibidez, bat errepikatu, guztiak errepikatu).
- Use the 'EQ' button to cycle through equalizer presets.
- Adjust the MP3/AUX volume knob and MASTER volume for desired output.
5.5 Siren Function
- To activate the siren, flip the SIREN SW to the 'ON' position.
- To deactivate, flip the SIREN SW back to the 'OFF' position.
- Use the MASTER volume to control the siren's output level.
6. Mantentzea
Proper maintenance ensures the longevity of your ampbiziagoa:
- Garbiketa: Regularly wipe the unit with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents.
- Aireztapena: Ensure that the ventilation grilles are free from dust and debris. Use a soft brush or vacuum cleaner to clear them if necessary.
- Biltegiratzea: gordez gero ampLikidorea denbora luzez erabiltzen ez baduzu, deskonektatu korrontetik eta gorde leku fresko eta lehor batean, eguzki-argitik eta muturreko tenperaturetatik urrun.
- Konexioak: Periodically check all cable connections for tightness and signs of wear.
7. Arazoak
Zurekin arazoak badituzu amplifier, refer to the table below for common problems and solutions:
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Botererik ez | Power cable not connected; Power outlet faulty; Power switch off; 12V DC battery depleted or incorrectly connected. | Check power cable connection; Try a different outlet; Ensure power switch is ON; Check 12V DC battery charge and polarity. |
| Ez dago soinu irteerarik | Master volume too low; Input volume too low; Speakers not connected or faulty; Incorrect input selected (for MP3/AUX); Mute activated. | Increase Master and input volumes; Check speaker connections and functionality; Ensure correct input source is active; Check if any mute function is engaged. |
| Soinu distortsionatua | Volume too high (clipping); Speaker impedance mismatch; Faulty cables or connections. | Reduce volume; Verify speaker impedance compatibility; Check and replace faulty cables. |
| MP3/USB/SD not playing | Okerra file format; USB drive/SD card faulty or not inserted correctly; MP3/AUX volume too low. | Ziurtatu files are MP3 format; Reinsert USB/SD card; Try a different USB/SD card; Increase MP3/AUX volume. |
| Feedback (howling) from microphones | Microphone too close to speakers; Microphone volume too high. | Reposition microphones away from speakers; Reduce microphone volume. |
Irtenbide hauek probatu ondoren arazoa konpontzen ez bada, jarri harremanetan bezeroarentzako arreta-zerbitzuarekin.
8. Zehaztapenak
Technical specifications for the LTC 3-Channel 60W Public Address Ampbiziagoa:
| Ezaugarri | Zehaztapena |
|---|---|
| Modelo zenbakia | LTCAUDIO95-1000 |
| Irteerako potentzia (12V) | RMS 35W, Max. 45W |
| Irteerako potentzia (220V) | RMS 45W, Max. 60W |
| Kanal kopurua | 3 (MIC1, MIC2, AUX/MP3) |
| liburukiatage | 220 Voltio (AC), 12 Voltio (DC) |
| Gehienezko hornidura boltage | 240 Volt |
| Gutxieneko Hornidura Voltage | 220 voltio (AC) |
| Produktuaren neurriak (L x W x H) | 48 x 9 x 35 cm (18.9 x 3.5 x 13.8 hazbete) |
| Produktuaren pisua | 3.26 kilogramo (7.19 lb) |
| Muntatze Mota | Mahai-muntaia |
| Ezaugarri Integratuak | USB/SD MP3 Player, Siren |
9. Bermea eta Laguntza
This product is manufactured by Ibiza and sold under the LTC brand. Spare parts availability is indicated for 2 years from the date of purchase. For technical support, troubleshooting assistance beyond what is provided in this manual, or warranty claims, please contact your retailer or the authorized service center. Keep your proof of purchase for warranty validation.





