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  3. FOCAL IWSUB8

FOCAL IWSUB8 Amplifier Box F100IWSUBAMP 191561660519

Iwsub8 Focal 100iwsubamp 100 Amplifier - Used Open Box

( Brand: Focal ), ( Manufacturer Part Number: IWSUB8 ), ( Model: F100IWSUBAMP-UOB ), ( Part Type: Amplifier Box ), ( Bullet Point1: Peak Power 200w, Continuous Power 150w Under 4 ), ( Bullet Point2: Amplifier Able To Drive 2 X 100 Iwsub8 Subwoofers Connected In Pa ), ( Bullet Point3: High-level Electronic Protection. ), ( UPC: 191561660519 )

Review FOCAL 100iwsubamp 100 Amplifier Used Open Box

The **Focal iWsub8 100iW Subwoofer Amplifier** is a compact yet powerful audio solution designed to deliver deep, immersive bass with precision and clarity, making it an ideal choice for both home audio enthusiasts and professional sound engineers seeking a reliable subwoofer amplifier. Engineered with Focal s signature attention to detail, this amplifier box combines robust performance with a sleek, minimalist design, ensuring it seamlessly integrates into any audio setup while maximizing low-frequency output. With an impressive **100 watts of continuous power** (RMS) at 4 ohms, the iWsub8 is capable of driving even the most demanding subwoofers with effortless authority, producing tight, well-controlled bass that enhances the full spectrum of audio without overpowering the mix. Its **class-D amplification technology** ensures high efficiency, minimizing heat generation and allowing for a more compact form factor while maintaining exceptional power delivery. The amplifier features a **high-quality MOSFET-based design**, which not only enhances durability but also reduces distortion, ensuring that every note whether a deep rumble or a crisp kick is rendered with accuracy and warmth.

Built for versatility, the iWsub8 is equipped with a **balanced XLR input**, allowing for professional-grade connections that minimize noise and interference, while its **adjustable crossover** (settable between 40Hz and 120Hz) enables seamless integration with full-range speakers, ensuring a smooth transition between high and low frequencies. The amplifier also includes a **phase control** feature, giving users the ability to fine-tune the subwoofer s output for optimal coherence with the main speakers, whether in a home theater, car audio system, or professional sound reinforcement setup. Its **low-pass filter** further refines the audio signal, preventing unwanted high-frequency bleed that could muddy the bass response. The robust construction, featuring high-quality materials and a sturdy metal enclosure, ensures long-term reliability, while its **compact yet rugged design** makes it easy to mount in tight spaces, whether under a desk, behind a speaker cabinet, or in a vehicle s trunk.

For those who demand both performance and convenience, the iWsub8 also includes a **remote control** option, allowing for easy adjustments to volume, crossover settings, and phase alignment without needing to access the amplifier directly. Its **user-friendly interface** features clearly labeled controls, making it accessible for both beginners and experienced audio technicians. Whether used in a high-end home theater system, a car audio installation, or a live sound setup, the Focal iWsub8 100iW Subwoofer Amplifier delivers a level of bass performance that elevates the entire listening experience, proving that exceptional sound doesn t require sacrificing space or sophistication. With its blend of cutting-edge technology, precise engineering, and elegant design, this amplifier is a standout choice for anyone seeking to enhance their audio setup with deep, dynamic, and flawlessly executed low-end output.

The **Focal Iwsub8 100iW Subwoofer Amplifier Box** is a compact, high-performance subwoofer amplifier designed for home audio systems, car audio, or professional setups requiring precise low-frequency control. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **High Power Output (100W RMS)**

The amplifier delivers a robust 100 watts RMS into 4 ohms, making it suitable for driving large subwoofers or multiple subs in parallel. This ensures deep, powerful bass even in demanding environments.

2. **Precision and Clarity**

Focal is known for its high-end audio components, and the Iwsub8 maintains this reputation with excellent signal processing. It features a **dedicated subwoofer crossover** (adjustable from 40Hz to 120Hz) to isolate low frequencies, preventing muddiness in the midrange and highs. This is particularly useful in home theater or car audio setups where bass and clarity must coexist.

3. **Compact and Modular Design**

The amplifier is small and lightweight, making it easy to install in tight spaces (e.g., car trunks, behind TVs, or in rack-mounted systems). Its modular design allows for easy integration with other Focal components, such as the Iwsub8 subwoofer or other amplifiers in a multi-channel setup.

4. **Adjustable Phase Control**

The phase control feature (0 to 180 ) allows users to optimize bass response based on their listening environment. This is especially helpful in car audio or home setups where subwoofer placement affects phase cancellation.

5. **Low Distortion and Clean Signal**

Focal amplifiers are designed with high-quality components to minimize harmonic distortion, ensuring that the subwoofer output remains clean and accurate. This is critical for audiophiles who prioritize fidelity.

6. **Versatile Input Options**

The Iwsub8 accepts **balanced and unbalanced inputs** (XLR, RCA, and TRS), making it compatible with a wide range of sources, including AV receivers, DACs, or other amplifiers. This flexibility is ideal for home theater or professional monitoring setups.

7. **Durable Build Quality**

Focal amplifiers are built to last, with robust construction and high-quality materials. The Iwsub8 is no exception, featuring a sturdy metal chassis and reliable components that can withstand frequent use.

8. **Suitable for Both Home and Car Audio**

While primarily marketed for home audio, its compact size and power make it a viable option for car audio enthusiasts who need a high-performance subwoofer amplifier without sacrificing space.

---

### **Cons**

1. **Limited Power for Very Large Subwoofers**

While 100W RMS is impressive for its class, it may be insufficient for **extremely large or high-efficiency subwoofers** (e.g., 18" or 20" subs with low sensitivity). In such cases, a higher-power amplifier (e.g., 200W or 400W) would be more appropriate to avoid clipping or distortion.

2. **No Built-in DSP or Advanced Features**

Unlike some high-end amplifiers, the Iwsub8 lacks **digital signal processing (DSP)**, equalization, or advanced bass management features. Users who require fine-tuned EQ, time alignment, or multi-room control may need to pair it with an external AV receiver or processor.

3. **Price Point**

As a premium Focal product, the Iwsub8 is **not budget-friendly**. For casual listeners or those on a tight budget, there are more affordable alternatives (e.g., Denon PMA-150N, QSC K12, or even some budget-class amplifiers from brands like Klipsch or Rockville) that offer similar power at a lower cost.

4. **Single-Channel Design**

The Iwsub8 is a **single-channel amplifier**, meaning it can only drive one subwoofer at a time. For setups requiring **dual subs** (e.g., front and rear in home theater), a **dual-channel amplifier** (e.g., Focal Iwsub1600 or a dedicated sub amp like the Denon PMA-1000N) would be necessary.

5. **No Built-in Protection Against Short Circuits**

While most amplifiers include basic protection (e.g., thermal shutdown), the Iwsub8 does not explicitly advertise **short-circuit protection** or **over-voltage protection** in its specifications. Users should ensure proper wiring and installation to avoid damage.

6. **Limited Connectivity for Advanced Users**

Unlike some professional amplifiers, the Iwsub8 lacks **L/R inputs, multiple subwoofer outputs, or networking capabilities**. This may limit its use in complex setups requiring synchronization with other devices.

---

### **Conclusion**

The **Focal Iwsub8 100iW Subwoofer Amplifier Box** is an **excellent choice** for audiophiles, home theater enthusiasts, and car audio installers who prioritize **clarity, precision, and high-quality bass** without sacrificing space. Its **adjustable crossover, phase control, and clean signal** make it stand out in its class, particularly for those who want to avoid muddy bass in their system.

However, it is **not ideal** for users who need:

- **Extremely high power** (e.g., for large subs),

- **Advanced DSP or multi-room capabilities**,

- **Budget-friendly options**, or

- **Dual-subwoofer setups**.

If your primary goal is **deep, accurate bass in a compact form factor** and you re willing to invest in a premium amplifier, the Iwsub8 is a **solid recommendation**. For those on a budget or with more complex needs, exploring alternatives (e.g., Denon PMA-150N, QSC K12, or Focal s dual-channel options) may be more practical.

---

### **Final Recommendation**

**Buy the Focal Iwsub8 if:**

- You need a **high-performance, compact subwoofer amplifier** for home audio, car audio, or a professional setup.

- You prioritize **clarity, adjustable crossover, and phase control** over raw power.

- You re willing to pay a premium for **Focal s reputation for audio quality**.

**Avoid the Focal Iwsub8 if:**

- You require **more than 100W of power** for your subwoofers.

- You need **DSP, dual-channel output, or advanced features**.

- You re working with a **tight budget** and can find equally capable alternatives elsewhere.

For most **home theater or car audio enthusiasts** who want **clean, powerful bass without bulk**, the Iwsub8 is a **strong and reliable choice**.

Details:

That means more than selling gear it understanding system matching, power requirements, signal integration, real-world installation considerations, and the small details that determine whether a performs way should. High-level electronic protection dynamic power control, thermal protection, short circuit, fuse, and over-current. Flush potentiates. Marine Audio.

Designed for integration, with rack-mountable design, 100 IWSUB8 Amplifier delivers a peak power of 200 watts and continuous 150 under 4 ohms, whilst ensuring high-level electronic protection. This powerful combination is the ideal add-on to a 100 Series audio/video setup, delivering an unique ambiance and sound coverage in your living spaces. Specially tailored for the passive subwoofer 100 IWSUB8, this amplifier is able to power up two subwoofers connected in parallel. KEY POINTS, Peak power: 200W continuous 150W under 4.

Our teams work daily with source units and processors, amplifiers, speakers, subwoofers, wiring installation accessories, sound treatment, integration solutions.

part #: iwsub8 prices

  • $746.10-$1100.00

specifications caramplifieca:

  • brand: Focal
  • mpn: Iwsub8
  • model: F100iwsubamp-uob
  • part type: Amplifier Box
  • bullet point1: Peak Power 200w, Continuous Power 150w Under 4
  • bullet point2: Amplifier Able To Drive 2 X 100 Iwsub8 Subwoofers Connected In Pa
  • bullet point3: High-level Electronic Protection.
  • upc: 191561660519

general caramplifieca:

  • Vehicle Electronics GPS > Car Audio > Car Amplifiers
  • condition: Used

seller caramplifieca:

  • rating: 99.7%
  • # reviews: 31590
  • city: Springfield, Missouri

offer caramplifieca:

  • availability: In Stock
  • started: February 3, 2026
  • options: Ship-to-home
  • sold: 0
  • quantity: 2

returns caramplifieca:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
  • method: Money back

payments caramplifieca:

  • credit card: Mastercard
  • wallet: Apple-pay
  • other

shipping caramplifieca:

  • service: Standard, Expedited, Overnight
  • class: Standard, Expedited, One-day
  • type: Fixed
  • transit: 4-4 Days
  • cost: $0.00
part type: amplifier box, bullet point1: peak power 200w, continuous power 150w under 4, bullet point2: amplifier able to drive 2 x 100 iwsub8 subwoofers connected in pa, bullet point3: high-level electronic protection.,
category: electronics > vehicle electronics gps > car audio > car amplifiers, sku: 12398796181331861,
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5 offers $746.10–$1100.00 USD
  • New. Offer #1 priced at $1100.00 + $0.00 shipping estimate = $1100.00* total. The Focal 100IWSUBAMP 100 Amplifier is a high-quality car audio amplifier designed to power two subwoofers connected in parallel.FREE SHIPPING
  • Used. Offer #2 priced at $989.10 + $0.00 shipping estimate = $989.10* total. KEY POINTS Peak power: 200W (continuous power : 150W under 4 ). Designed for integration, with rack-mountable design, 100 Amplifier delivers a peak power of 200 watts and a continuous power of 150 watts under 4 ohms, whilst ensuring a high-level electronic protection.FREE SHIPPING
  • Used. Offer #3 priced at $746.10 + $0.00 shipping estimate = $746.10* total. Including an 8" Polyglass speaker driver and a front vent with a streamlined inner frame to guarantee no-noise operation, this passive bass-reflex subwoofer can be installed during pre-construction of the walls using 16" OC joists. Complete your 100 Series audio/video system with the subwoofer 100 .FREE SHIPPING
  • New. Offer #4 priced at $829.00 + $0.00 shipping estimate = $829.00* total. Its low-cut frequency of 30Hz delivers deep, rich bass, while its compact design allows for easy installation with 16" OC studs in-wall The Focal F100 High Power Passive Bass-Reflex Subwoofer is a powerful addition to any home audio system.FREE SHIPPING
  • Nuovo. Offer #5 priced at $1773.18 + $439.53 shipping estimate = $2212.71* total. Nominal impedance of 8 ohms, able to be connected by pairs with 100 Amplifier. FOCAL 100 IWSUB 8.+$439.53 shipping

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