1. Įvadas
This manual provides comprehensive instructions for the Alpine S2-A120M S-Series Class-D Mono Subwoofer Amplifier and the Alpine RUX-KNOB.2 Remote Bass Knob. It covers essential information regarding product features, proper setup, operational guidelines, maintenance procedures, troubleshooting common issues, and detailed technical specifications. Please read this manual thoroughly before installation and operation to ensure correct usage and optimal performance.
2. Produktas baigtasview
2.1. Pagrindinės savybės
- S2-A120M Ampgyvybingesnis: Class-D Mono Subwoofer Amplifier with 1200W RMS power output at 1 or 2 Ohms.
- Features Alpine's Class D Amplifier Circuitry.
- Designed with a two-sided terminal layout for efficient wiring.
- Includes built-in selectable and adjustable crossovers.
- Compatible with optional remote bass knobs (RUX-KNOB.2 or RUX-H01).
- RUX-KNOB.2 Remote Bass Knob: Allows for convenient adjustment of amplifier bass gain from within the vehicle cabin.
- Palaiko kelis amplifier control with telephone cord adapters.
2.2. Komponentai
The product bundle includes the Alpine S2-A120M Mono Subwoofer Amplifier and the Alpine RUX-KNOB.2 Remote Bass Knob.

1 paveikslas: „Alpine S2-A120M“ S serijos mono žemųjų dažnių garsiakalbis Amplifier and RUX-KNOB.2 Remote Bass Knob. This image displays the amplifier unit and the separate remote bass knob.

2 paveikslas: Į viršų view of the Alpine S2-A120M Amplifier. The top panel features the Alpine logo and a central indicator light.

3 paveikslas: Iš arti view of the Alpine RUX-KNOB.2 Remote Bass Knob. This image highlights the control knob and its mounting bracket.
3. Sąranka ir diegimas
Tinkamas montavimas yra labai svarbus jūsų įrenginio veikimui ir ilgaamžiškumui ampRekomenduojama, kad montavimą atliktų kvalifikuotas specialistas.
3.1. Ampkeltuvas Įdėjimas
- Pasirinkite sausą, gerai vėdinamą ir nuo tiesioginių saulės spindulių ar per didelio karščio apsaugotą vietą.
- Užtikrinkite pakankamai vietos aplink ampkeltuvas tinkamam šilumos išsklaidymui.
- Sumontuokite amptvirtai pritvirtinkite, kad transporto priemonė nejudėtų.
3.2. Laidų jungtys
The S2-A120M amplifier features a two-sided terminal layout for organized wiring.

4 paveikslas: Rear panel connections of the Alpine S2-A120M Ampkeltuvas. Tai view shows the power supply terminals (BATT, REM, GND) and speaker output terminals (SPK OUT).
- Maitinimo jungtis: Connect the main power cable from the vehicle battery to the BATT terminal. Ensure an appropriate fuse is installed close to the battery.
- Įžeminimo jungtis: Connect a short, heavy-gauge ground cable from the GND terminal to a clean, unpainted metal surface on the vehicle chassis.
- Nuotolinis įjungimas: Connect a remote turn-on wire from your head unit to the REM terminal. This wire signals the ampįjungti ir išjungti naudojant garso sistemą.
- Garso įvestis: Prijunkite RCA laidus iš pagrindinio įrenginio žemųjų dažnių garsiakalbio išvesties į amplifier's input jacks (not explicitly shown in the provided image, but standard for ampgelbėtojai).
- Garsiakalbio išvestis: Prijunkite žemųjų dažnių garsiakalbį (-ius) prie SPK OUT terminals. Observe correct polarity (+ to + and - to -).
3.3. RUX-KNOB.2 Installation
The RUX-KNOB.2 remote bass knob connects to the amplifier via a telephone cord adapter. Install the knob in a convenient location within the vehicle cabin for easy access.
- Mount the RUX-KNOB.2 using the provided bracket and screws.
- Connect the telephone cord from the RUX-KNOB.2 to the designated remote bass knob port on the S2-A120M ampgyvesnis.
4. Naudojimo instrukcijos
4.1. Pradinis įjungimas
- After all connections are made, turn on your vehicle's ignition and audio system.
- The ampLifierio maitinimo indikatorius turėtų užsidegti.
4.2. Stiprinimo koregavimas
The gain control on the amplifier matches the output voltagjūsų pagrindinio įrenginio e į amplifier's input. Set the gain carefully to avoid distortion.
- Pradėkite nuo amplifier gain set to minimum.
- Play a familiar music track with strong bass content.
- Slowly increase the head unit volume until it reaches about 75-80% of its maximum.
- Palaipsniui didinkite amplifier gain until you hear slight distortion, then back off slightly.
4.3. Kryžminimo nustatymai
The S2-A120M features built-in selectable and adjustable crossovers to filter frequencies sent to your subwoofer.
- Adjust the low-pass filter (LPF) to send only low frequencies to the subwoofer. A common starting point is 80-100 Hz.
- Refer to your subwoofer's specifications for recommended crossover points.
4.4. Using the RUX-KNOB.2 Remote Bass Knob
The RUX-KNOB.2 allows for real-time adjustment of the subwoofer's bass level from the driver's seat.
- Rotate the knob clockwise to increase bass output.
- Rotate the knob counter-clockwise to decrease bass output.
- This knob provides fine-tuning of the bass level without needing to access the ampkeltuvas tiesiogiai.
5. Priežiūra
Regular maintenance helps ensure the longevity and optimal performance of your Alpine amplifier and bass knob.
- Valymas: Periodiškai nuvalykite amplifier and bass knob with a soft, dry cloth to remove dust and debris. Avoid using harsh chemicals or abrasive cleaners.
- Ryšio patikrinimas: Annually, inspect all wiring connections (power, ground, remote, RCA, speaker) to ensure they are secure and free from corrosion. Loose connections can lead to performance issues or damage.
- Vėdinimas: Užtikrinkite, kad amplifier's cooling fins are not obstructed to allow for proper heat dissipation.
6. Problemų sprendimas
If you encounter issues with your Alpine amplifier, refer to the following troubleshooting guide before seeking professional assistance.
| Problema | Galima priežastis | Sprendimas |
|---|---|---|
| Nėra maitinimo / AmpLifier neįsijungia |
|
|
| Nėra garso išvesties |
|
|
| Iškraipytas garsas |
|
|
| RUX-KNOB.2 Not Functioning |
|
|
7. Specifikacijos
7.1. Alpine S2-A120M Ampgyvybingesnis
- Power Output (14.4V, <0.1% THD+N):
- 600 W x 1 @ 4Ω
- 1200 W x 1 @ 2Ω
- 1200 W x 1 @ 1Ω
- Signalo ir triukšmo santykis (S/N santykis): >85dB
- Dažnio atsakas: 20Hz – 400Hz
- Dampveiksnys: >750
- Matmenys (P x A x G): 13.1 x 2.25 x 8.25 colio (33.27 cm x 5.72 cm x 20.96 cm)
- Svoris: Approximately 8 lbs, 11 oz (3.94 kg)
7.2. Alpine RUX-KNOB.2 Remote Bass Knob
- Funkcija: Remote bass gain adjustment for compatible Alpine ampgelbėtojai.
- Suderinamumas: Designed for use with S2-A120M and other compatible Alpine amplifiers (e.g., MRX-M50, MRX-M100, MRX-V60, PDX-M12, PDX-M6).
- Ryšys: Via telephone cord adapter.
8. Garantija ir palaikymas
For warranty information and technical support, please refer to the official Alpine websvetainėje arba susisiekite tiesiogiai su „Alpine“ klientų aptarnavimo tarnyba. Išsaugokite pirkimo kvitą kaip pirkimo įrodymą garantijos pretenzijoms.
Alpine Customer Support: Visit Alpine's Support Page





