1. Sissejuhatus
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. Toote lõppview
2.1. Põhiomadused
- S2-A120M Ampelujõulisem: 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.
- Toetab mitut amplifier control with telephone cord adapters.
2.2. Komponendid
The product bundle includes the Alpine S2-A120M Mono Subwoofer Amplifier and the Alpine RUX-KNOB.2 Remote Bass Knob.

Joonis 1: Alpine S2-A120M S-seeria mono subwoofer Amplifier and RUX-KNOB.2 Remote Bass Knob. This image displays the amplifier unit and the separate remote bass knob.

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

Joonis 3: Lähivõte view of the Alpine RUX-KNOB.2 Remote Bass Knob. This image highlights the control knob and its mounting bracket.
3. Seadistamine ja installimine
Õige paigaldamine on teie seadme toimivuse ja pikaealisuse seisukohalt ülioluline ampSoovitatav on lasta paigalduse teostada kvalifitseeritud spetsialistil.
3.1. Amptõstja Paigutus
- Valige kuiv, hästi ventileeritav ja otsese päikesevalguse või liigse kuumuse eest kaitstud koht.
- Tagage piisavalt ruumi ümber amptõsteseade õigeks soojuse hajutamiseks.
- Paigaldage ampkindlalt, et vältida liikumist sõiduki töötamise ajal.
3.2. Juhtmete ühendused
The S2-A120M amplifier features a two-sided terminal layout for organized wiring.

Joonis 4: Rear panel connections of the Alpine S2-A120M Amptõstja. See view shows the power supply terminals (BATT, REM, GND) and speaker output terminals (SPK OUT).
- Toiteühendus: Connect the main power cable from the vehicle battery to the BATT terminal. Ensure an appropriate fuse is installed close to the battery.
- Maandusühendus: Ühendage lühike ja jämeda kaliibriga maanduskaabel GND terminal to a clean, unpainted metal surface on the vehicle chassis.
- Kaugjuhtimisega sisselülitamine: Connect a remote turn-on wire from your head unit to the REM terminal. This wire signals the amplisaseadet helisüsteemiga sisse ja välja lülitamiseks.
- Helisisend: 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 ampelupäästjad).
- Kõlari väljund: Ühendage subwoofer(id) 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 ampelujõulisem.
4. Kasutusjuhised
4.1. Esialgne sisselülitamine
- After all connections are made, turn on your vehicle's ignition and audio system.
- The ampElektori toiteindikaator peaks põlema.
4.2. Tugevduse reguleerimine
The gain control on the amplifier matches the output voltagteie peaseadme e amplifier's input. Set the gain carefully to avoid distortion.
- Alustage 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.
- Suurendage järk-järgult ampvõimendust, kuni kuulete kerget moonutust, seejärel vähendage veidi.
4.3. Jaotuskanali seaded
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 amptõstja otse.
5. Hooldus
Regular maintenance helps ensure the longevity and optimal performance of your Alpine amplifier and bass knob.
- Puhastamine: Pühkige perioodiliselt amplifier and bass knob with a soft, dry cloth to remove dust and debris. Avoid using harsh chemicals or abrasive cleaners.
- Ühenduse kontroll: 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.
- Ventilatsioon: Veenduge, et amplifier's cooling fins are not obstructed to allow for proper heat dissipation.
6. Veaotsing
If you encounter issues with your Alpine amplifier, refer to the following troubleshooting guide before seeking professional assistance.
| Probleem | Võimalik põhjus | Lahendus |
|---|---|---|
| Ei voolu / AmpElutaja ei lülitu sisse |
|
|
| Heliväljund puudub |
|
|
| Moonutatud heli |
|
|
| RUX-KNOB.2 Not Functioning |
|
|
7. Tehnilised andmed
7.1. Alpine S2-A120M Ampelujõulisem
- Power Output (14.4V, <0.1% THD+N):
- 600 W x 1 @ 4Ω
- 1200 W x 1 @ 2Ω
- 1200 W x 1 @ 1Ω
- Signaali ja müra suhe (S/N suhe): >85 dB
- Sagedusvastus: 20Hz - 400Hz
- Damptegur: >750
- Mõõdud (L x K x S): 13.1 x 2.25 x 8.25 tolli (33.27 cm x 5.72 cm x 20.96 cm)
- Kaal: Approximately 8 lbs, 11 oz (3.94 kg)
7.2. Alpine RUX-KNOB.2 Remote Bass Knob
- Funktsioon: Remote bass gain adjustment for compatible Alpine ampelupäästjad.
- Ühilduvus: Designed for use with S2-A120M and other compatible Alpine amplifiers (e.g., MRX-M50, MRX-M100, MRX-V60, PDX-M12, PDX-M6).
- Ühendus: Via telephone cord adapter.
8. Garantii ja tugi
Garantiiteabe ja tehnilise toe saamiseks pöörduge Alpine'i ametliku esindaja poole. website or contact Alpine customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.
Alpine'i klienditugi: Visit Alpine's Support Page





