1. Giriş
This manual provides detailed instructions for the installation, operation, and maintenance of your Stetsom IR 400.1 BASS 2 Ohms Digital Sub Amplifier. Please read this manual thoroughly before using the product to ensure proper function and safety.
The Stetsom IR 400.1 BASS is a compact, high-fidelity mono amplifier designed specifically for subwoofers, offering 400 Watts RMS at 2 Ohms. It features advanced technology for defined mids and bass, along with adjustable crossovers and bass boost controls.

Resim 1.1: Ön view of the Stetsom IR 400.1 BASS Digital Sub Amplifier, showing the "Iron Line" branding, Stetsom logo, model number, and power/speaker terminals.
2. Güvenlik Bilgileri
Yaralanmaları veya hasarı önlemek için her zaman aşağıdaki güvenlik önlemlerine uyun. ampAmperiyer ve bağlantılı bileşenler:
- Ensure the vehicle's battery is disconnected before beginning any installation.
- Kurulum amplifier in a dry, well-ventilated location, away from direct sunlight and heat sources.
- Bu kılavuzda belirtildiği gibi güç, topraklama ve hoparlör bağlantıları için uygun ölçü kablolarını kullanın.
- Açığa çıkarmayın amplifier to moisture or liquids.
- Eğer amplifier malfunctions or emits smoke, immediately disconnect power and consult a qualified technician.
- Bu amplifier is designed for 12V DC automotive systems only.
3. Ürün Özellikleri
The Stetsom IR 400.1 BASS ampBu liftier aşağıdaki temel özelliklere sahiptir:
- Güç Çıkışı: 400 Watts RMS at 14.4V into 2 Ohms.
- Class D Monoblock Design: Dedicated for bass applications, stable at 2 Ohms.
- Ses Kontrolleri:
- Crossover (HPF): Adjustable from 5Hz to 35Hz.
- Crossover (LPF): Adjustable from 35Hz to 250Hz.
- Bass Boost: Gain adjustable up to +15dB, frequency range 35Hz to 60Hz.
- Kompakt Tasarım: New technology allows for a smaller footprint.
- Verimli Soğutma: Powerful cooler for improved ventilation and extended use.
- Robust Connectors:
- Power/Ground: 6mm² (approximately 10 AWG).
- Remote: 0.75mm² (approximately 18 AWG).
- Speakers: 2.5mm² (approximately 14 AWG).
- Fuse: 30A.
4. Paket İçeriği
Paketi açtığınızda aşağıdaki öğelerin bulunduğunu doğrulayın:
- Stetsom IR 400.1 BASS Digital Sub Ampcankurtaran
- Kullanım Kılavuzu (bu belge)
Note: Additional accessories such as wiring kits, RCA cables, and subwoofers are sold separately.
5. Kurulum ve Kurulum
Doğru kurulum, en iyi performans ve güvenlik için çok önemlidir. Herhangi bir adımda emin değilseniz, profesyonel bir araç ses sistemi kurulumcusuna danışın.
5.1 Montaj Yeri
Aşağıdaki özelliklere sahip bir montaj yeri seçin:
- Kuru ve nemden arındırılmış.
- Isı dağılımını sağlamak için iyi havalandırılmıştır.
- Araç hareket halindeyken hareketi engelleyecek şekilde emniyete alır.
- Kablolama ve ayarlamalar için erişilebilir.
5.2 Kablo Bağlantıları
Refer to the installation diagram below for correct wiring. Ensure all connections are secure and properly insulated.

Resim 5.1: Üst view of the Stetsom IR 400.1 BASS amplifier, highlighting the POWER, REM (remote), GND (ground) terminals, the FUSE 25A slot, and SPEAKER output terminals.

Resim 5.2: Arka view of the Stetsom IR 400.1 BASS amplifier, displaying the Bass Boost, Crossover, Input Level controls, RCA inputs, High Input terminals, and an integrated wiring diagram.
- Power Connection (POWER): Connect a 6mm² (approx. 10 AWG) power cable from the vehicle's positive battery terminal to the amplifier's "POWER" terminal. Install a 30A fuse within 30cm (12 inches) of the battery.
- Toprak Bağlantısı (GND): Connect a 6mm² (approx. 10 AWG) ground cable from the amplifier's "GND" terminal to a clean, unpainted metal point on the vehicle's chassis. Ensure a solid electrical connection.
- Uzaktan Açma (REM): Connect a 0.75mm² (approx. 18 AWG) remote wire from your head unit's remote output to the amplifier's "REM" terminal. This turns the ampAmplifikatörü araçtaki ana üniteyle birlikte açıp kapatabilirsiniz.
- Speaker Connection (SPEAKERS): Connect your subwoofer(s) to the "SPEAKERS" terminals using 2.5mm² (approx. 14 AWG) speaker wire. Ensure the total impedance of the connected subwoofers is 2 Ohms or higher. Observe correct polarity (+ to + and - to -).
- Audio Input (INPUT):
- RCA Girişi: Araçtaki ana ünitenin subwoofer çıkışından RCA kablolarını şuraya bağlayın: amplifier's "INPUT L" and "INPUT R" RCA jacks.
- Yüksek giriş: If your head unit does not have RCA outputs, use the high-level input. Connect the speaker outputs from your head unit to the "HIGH INPUT" terminals (+L/-L and +R/-R).
6. Kullanım Talimatları
Bir kez amplifier is installed and wired correctly, you can adjust its settings for optimal sound performance.
6.1 İlk Güçlendirme
After all connections are made, reconnect the vehicle's battery. Turn on your head unit. The amplifier should power on, indicated by an illuminated LED (if present).
6.2 Adjusting Audio Controls
The Stetsom IR 400.1 BASS features several adjustable controls on its rear panel:
- INPUT LEVEL (MIN/MAX): Bu kontrol, aşağıdakilerle eşleşir: amplifier's input sensitivity to the output level of your head unit. Start with the level at minimum, then slowly increase it until you hear distortion, then back off slightly.
- CROSSOVER (L.P.F. 35Hz ~ 250Hz): The Low Pass Filter (LPF) allows frequencies below the set point to pass through to the subwoofer. Adjust this to blend the subwoofer's output seamlessly with your main speakers. A common starting point is 80Hz-100Hz.
- CROSSOVER (H.P.F. 5Hz ~ 35Hz): The High Pass Filter (HPF) allows frequencies above the set point to pass. For subwoofers, this is typically used to filter out extremely low, inaudible frequencies that can waste amplifier power and potentially damage the subwoofer. Set it to the lowest useful frequency, often around 5Hz-10Hz.
- BASS BOOST (FREQ 35Hz ~ 60Hz, GAIN 0dB ~ +15dB): This control allows you to boost specific bass frequencies.
- FREKANS: Bas güçlendirme için merkez frekansını seçer.
- KAZANÇ: Adjusts the amount of boost applied to the selected frequency. Use sparingly to avoid distortion and potential damage to your subwoofer.
Recommendation: Make small adjustments and listen carefully to the sound. It is often best to set the gain and crossover points with test tones or familiar music to achieve the desired sound quality.
7. Bakım
The Stetsom IR 400.1 BASS amplifier minimum bakım gerektirir. Uzun ömürlü olması için şu yönergeleri izleyin:
- Tut ampDaha temiz ve toz ve kalıntılardan arındırılmış bir şekilde saklayın. Temizlik için yumuşak ve kuru bir bez kullanın.
- Çevresinde yeterli havalandırma olduğundan emin olun. ampKaldırıcı. Soğutma kanatçıklarını veya havalandırma deliklerini kapatmayın.
- Periodically check all wiring connections for tightness and corrosion. Loose connections can cause performance issues or damage.
- If the fuse blows, replace it only with a fuse of the same type and rating (30A). Using a fuse with a higher rating can lead to severe damage or fire.
8. Sorun Giderme
Eğer cihazınızla ilgili sorunlar yaşıyorsanız amplifier, consult the following troubleshooting guide before seeking professional assistance:
| Sorun | Olası Neden | Çözüm |
|---|---|---|
| Güç Yok / Amplifier açılmıyor |
|
|
| Ses Çıkışı Yok |
|
|
| Bozuk ses |
|
|
| Amplifier Aşırı Isınma |
|
|
9. Özellikler
| Özellik | Şartname |
|---|---|
| Örnek | IR400.1_BASS |
| RMS Power (14.4V) | 400W RMS @ 2 Ohm |
| Kanallar | 1 (Monoblok) |
| Minimum Empedans | 2 Ohm |
| Düşük Geçişli Filtre (LPF) | 35Hz ~ 250Hz |
| Yüksek Geçişli Filtre (HPF) | 5Hz ~ 35Hz |
| Bas Güçlendirme Kazanımı | 0dB ~ +15dB |
| Bas Yükseltme Frekansı | 35Hz ~ 60Hz |
| Giriş Voltage | 9V ~ 15VDC |
| Sigorta Değerlendirmesi | 30A |
| Power/Ground Wire Gauge | 6mm² (approx. 10 AWG) |
| Remote Wire Gauge | 0.75mm² (approx. 18 AWG) |
| Hoparlör Tel Ölçeği | 2.5mm² (approx. 14 AWG) |
| Ürün Boyutları (U x G x Y) | 5 x 3.9 x 2 inç |
| Ağırlık | 1.21 Pound |
10. Garanti ve Destek
Stetsom products are designed and manufactured to the highest quality standards. For warranty information and technical support, please refer to the warranty card included with your product or visit the official Stetsom webalan.
For further assistance, you may contact Stetsom customer service through their official channels. Keep your purchase receipt as proof of purchase for warranty claims.
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