1. پیژندنه
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. محصول ختم شوview
2.1. کلیدي ځانګړتیاوې
- S2-A120M Ampژوندی: 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.
- څو ملاتړ کوي amplifier control with telephone cord adapters.
2.2. اجزاء
The product bundle includes the Alpine S2-A120M Mono Subwoofer Amplifier and the Alpine RUX-KNOB.2 Remote Bass Knob.

شکل 1: الپائن S2-A120M S-سیریز مونو سب ووفر Amplifier and RUX-KNOB.2 Remote Bass Knob. This image displays the amplifier unit and the separate remote bass knob.

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

شکل 3: تړل view of the Alpine RUX-KNOB.2 Remote Bass Knob. This image highlights the control knob and its mounting bracket.
3. ترتیب او نصب کول
ستاسو د فعالیت او اوږد عمر لپاره مناسب نصب کول خورا مهم دي ampژغورونکی. سپارښتنه کیږي چې نصب کول د یو وړ مسلکي لخوا ترسره شي.
3.1. Ampد ژوند کولو ځای په ځای کول
- داسې ځای غوره کړئ چې وچ، ښه هوا لرونکی او د مستقیم لمر وړانګو یا ډیرې تودوخې څخه خوندي وي.
- د شاوخوا مناسب ځای ډاډ ترلاسه کړئ ampد تودوخې د مناسب تحلیل لپاره لیفیر.
- پورته کول ampد موټر چلولو پرمهال د حرکت مخنیوي لپاره په خوندي ډول لایفیر.
3.2. د تارونو نښلول
The S2-A120M amplifier features a two-sided terminal layout for organized wiring.

شکل 4: Rear panel connections of the Alpine S2-A120M Ampژوندی کوونکی دا view shows the power supply terminals (BATT, REM, GND) and speaker output terminals (SPK OUT).
- د بریښنا پیوستون: Connect the main power cable from the vehicle battery to the بیټ terminal. Ensure an appropriate fuse is installed close to the battery.
- ځمکنۍ اړیکه: یو لنډ، دروند ګیج ځمکنی کیبل له GND terminal to a clean, unpainted metal surface on the vehicle chassis.
- ریموټ چالان: Connect a remote turn-on wire from your head unit to the REM terminal. This wire signals the ampستاسو د آډیو سیسټم سره د چالانولو او بندولو لپاره لایفیر.
- آډیو داخلول: Connect RCA cables from your head unit's subwoofer output to the amplifier's input jacks (not explicitly shown in the provided image, but standard for ampژوند کونکي).
- د سپیکر محصول: خپل فرعي ووفر (ګانې) سره وصل کړئ SPK بهر 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 ampلايف
4. عملیاتي لارښوونې
۱. لومړنی پاور اپ
- After all connections are made, turn on your vehicle's ignition and audio system.
- د ampد لایفیر د بریښنا شاخص باید روښانه شي.
4.2. د سمون ترلاسه کول
The gain control on the amplifier matches the output voltagستاسو د سر واحد e ته amplifier's input. Set the gain carefully to avoid distortion.
- سره پیل کړئ 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.
- په تدریجي ډول زیاتوالی amplifier gain until you hear slight distortion, then back off slightly.
۵.۴. د کراس اوور ترتیبات
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 ampپه مستقیم ډول ژوندی کول.
5. ساتنه
Regular maintenance helps ensure the longevity and optimal performance of your Alpine amplifier and bass knob.
- پاکول: په دوره یي ډول پاک کړئ amplifier and bass knob with a soft, dry cloth to remove dust and debris. Avoid using harsh chemicals or abrasive cleaners.
- د پیوستون چک: 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.
- وینټیلیشن: ډاډ ترلاسه کړئ چې د amplifier's cooling fins are not obstructed to allow for proper heat dissipation.
6. ستونزه حل کول
If you encounter issues with your Alpine amplifier, refer to the following troubleshooting guide before seeking professional assistance.
| ستونزه | احتمالي لامل | د حل لاره |
|---|---|---|
| برېښنا نشته / Ampلایفیر نه چالانېږي |
|
|
| د غږ محصول نشته |
|
|
| تحریف شوی غږ |
|
|
| RUX-KNOB.2 Not Functioning |
|
|
7. مشخصات
7.1. Alpine S2-A120M Ampلايف
- Power Output (14.4V, <0.1% THD+N):
- 600W x 1 @ 4Ω
- 1200W x 1 @ 2Ω
- 1200W x 1 @ 1Ω
- د سیګنال څخه تر شور نسبت (S/N تناسب): >85dB
- د تعدد ځواب: 20Hz – 400Hz
- Dampعامل: >750
- ابعاد (W x H x D): 13.1 "x 2.25" x 8.25 "(33.27 cm x 5.72 cm x 20.96 cm)
- وزن: Approximately 8 lbs, 11 oz (3.94 kg)
7.2. Alpine RUX-KNOB.2 Remote Bass Knob
- دنده: Remote bass gain adjustment for compatible Alpine ampژغورونکي
- مطابقت: Designed for use with S2-A120M and other compatible Alpine amplifiers (e.g., MRX-M50, MRX-M100, MRX-V60, PDX-M12, PDX-M6).
- پیوستون: Via telephone cord adapter.
8. تضمین او ملاتړ
د تضمین معلوماتو او تخنیکي ملاتړ لپاره، مهرباني وکړئ رسمي الپائن ته مراجعه وکړئ webسایټ یا مستقیم د الپین پیرودونکي خدماتو سره اړیکه ونیسئ. د تضمین ادعاوو لپاره د پیرود ثبوت په توګه د پیرود رسید وساتئ.
د الپین پیرودونکي ملاتړ: Visit Alpine's Support Page





