1. Киришүү
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. Продукт бүтүп калдыview
2.1. Негизги өзгөчөлүктөрү
- S2-A120M Ampөмүр берүүчү: 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.
- Көптөгөн колдойт amplifier control with telephone cord adapters.
2.2. Компоненттер
The product bundle includes the Alpine S2-A120M Mono Subwoofer Amplifier and the Alpine RUX-KNOB.2 Remote Bass Knob.

1-сүрөт: Alpine S2-A120M S-Series Mono Subwoofer Amplifier and RUX-KNOB.2 Remote Bass Knob. This image displays the amplifier unit and the separate remote bass knob.

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

3-сүрөт: Жакын план view of the Alpine RUX-KNOB.2 Remote Bass Knob. This image highlights the control knob and its mounting bracket.
3. Орнотуу жана орнотуу
Туура орнотуу сиздин иштөө жана узак иштөө үчүн абдан маанилүү болуп саналат ampкөтөргүч. Орнотууну квалификациялуу адис аткарышы сунушталат.
3.1. Ampкөтөргүч жайгаштыруу
- Кургак, жакшы желдетилген жана түз күн нурунан же ашыкча ысыктан корголгон жерди тандаңыз.
- айланасында жетиштүү орун камсыз кылуу ampтуура жылуулук диссипациялоо үчүн көтөргүч.
- монтаждоо ampунаа иштеп жатканда кыймылдын алдын алуу үчүн көтөргүчтү бекем орнотуңуз.
3.2. Зымдарды туташтыруу
The S2-A120M amplifier features a two-sided terminal layout for organized wiring.

4-сүрөт: Rear panel connections of the Alpine S2-A120M Ampкөтөргүч. Бул view shows the power supply terminals (BATT, REM, GND) and speaker output terminals (SPK OUT).
- Кубат туташуу: Connect the main power cable from the vehicle battery to the БАТТ terminal. Ensure an appropriate fuse is installed close to the battery.
- Жерге туташуу: Түзмөктөн кыска, калибрлүү жерге туташтыруучу кабелди туташтырыңыз GND terminal to a clean, unpainted metal surface on the vehicle chassis.
- Алыстан күйгүзүү: Connect a remote turn-on wire from your head unit to the REM terminal. This wire signals the ampаудио системаңызды күйгүзүү жана өчүрүү үчүн көтөргүч.
- Аудио киргизүү: RCA кабелдерин башкы блоктун сабвуфер чыгышынан туташтырыңыз amplifier's input jacks (not explicitly shown in the provided image, but standard for ampжашоочулар).
- Динамиктин чыгышы: Сабвуфериңизди(лериңизди) туташтырыңыз 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 ampөмүрлүү.
4. Иштөө нускамалары
4.1. Баштапкы кубаттуулук
- After all connections are made, turn on your vehicle's ignition and audio system.
- The ampкөтөргүчтүн кубат индикатору күйүп турушу керек.
4.2. Gain Adjustment
The gain control on the amplifier matches the output voltage of your head unit to the amplifier's input. Set the gain carefully to avoid distortion.
- менен баштоо 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.
- Акырындык менен көбөйтүү amplifier gain until you hear slight distortion, then back off slightly.
4.3. Кроссовер орнотуулары
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 ampтүз көтөргүч.
5. Техникалык тейлөө
Regular maintenance helps ensure the longevity and optimal performance of your Alpine amplifier and bass knob.
- Тазалоо: Мезгил-мезгили менен сүртүп туруңуз amplifier and bass knob with a soft, dry cloth to remove dust and debris. Avoid using harsh chemicals or abrasive cleaners.
- Туташуу текшерүү: 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.
- Вентиляция: камсыз кылуу amplifier's cooling fins are not obstructed to allow for proper heat dissipation.
6. Кыйынчылыктарды
If you encounter issues with your Alpine amplifier, refer to the following troubleshooting guide before seeking professional assistance.
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Кубат жок / Ampliifier күйгүзүлбөйт |
|
|
| Үн чыгышы жок |
|
|
| Distorted Sound |
|
|
| RUX-KNOB.2 Not Functioning |
|
|
7. Техникалык шарттар
7.1. Alpine S2-A120M Ampөмүрлүү
- Power Output (14.4V, <0.1% THD+N):
- 600W x 1 @ 4Ω
- 1200W x 1 @ 2Ω
- 1200W x 1 @ 1Ω
- Сигнал-ызы-чуу катышы (S/N катышы): >85дБ
- Жыштык жообу: 20Гц – 400Гц
- Dampинг фактор: >750
- Өлчөмдөрү (W x Y x D): 13.1 "x 2.25" x 8.25 "(33.27 см x 5.72 см x 20.96 см)
- Салмагы: Approximately 8 lbs, 11 oz (3.94 kg)
7.2. Alpine RUX-KNOB.2 Remote Bass Knob
- Функциясы: Remote bass gain adjustment for compatible Alpine ampаман калгандар.
- Шайкештик: Designed for use with S2-A120M and other compatible Alpine amplifiers (e.g., MRX-M50, MRX-M100, MRX-V60, PDX-M12, PDX-M6).
- Байланыш: Via telephone cord adapter.
8. Кепилдик жана колдоо
For warranty information and technical support, please refer to the official Alpine website or contact Alpine customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.
Alpine Customer Support: Visit Alpine's Support Page





