1. Car Amplifiers Audio For Sale
  2. sku: 13104393067493881
  3. POWER ACOUSTIK G640-4

POWER ACOUSTIK G640-4 Gothic Car Amplifier 4-CHANNEL 640W

G640-4 Power Acoustik Gothic Series 4-channel Car Amplifier 640w Max

( Brand: Power Acoustik ), ( Manufacturer Part Number: G640-4 ), ( Part Type: Amplifier ), ( Rms Power: 640w Max )

Review POWER ACOUSTIK Gothic Series 4-channel Car Amplifier 640w Max

The **Power Acoustik G640-4 Gothic 4-Channel Car Amplifier** is a high-performance audio powerhouse designed to deliver thunderous, distortion-free sound with uncompromising clarity and depth, making it an ideal choice for audiophiles and car enthusiasts who demand nothing less than premium performance. Engineered with a robust **640-watt peak power output** (160 watts RMS per channel at 4 ohms), this amplifier effortlessly dominates any sound system, whether you're cruising down the highway or parked at a concert venue. Built around a **bridge-rectifier power supply**, the G640-4 ensures stable and efficient power delivery, minimizing voltage drops and maximizing audio fidelity, even under heavy loads. Its **fully discrete design** eliminates the inefficiencies of integrated circuits, allowing for cleaner signal processing and superior sound reproduction with rich bass response and crisp highs.

The **Gothic series** from Power Acoustik is renowned for its **high-current, low-impedance capability**, making it perfectly suited for driving high-efficiency speakers, subwoofers, or even multiple speaker setups with ease. With **four channels of pure power**, this amplifier can handle a variety of configurations, from a full 4-speaker system to a dual-channel setup with a dedicated subwoofer, ensuring balanced and immersive audio across the entire frequency spectrum. Its **low distortion output** and **high signal-to-noise ratio** guarantee a pristine listening experience, free from unwanted artifacts that can detract from the music s emotional impact. The **heatsink design** is both functional and sleek, with a **black matte finish** that blends seamlessly into any car audio setup while efficiently dissipating heat to prevent overheating, even during prolonged use.

Beyond its raw power, the **G640-4 Gothic** is built with **durability and reliability** in mind. Constructed with high-quality materials, including a **reinforced chassis** and **low-inductance wiring**, this amplifier is engineered to withstand the rigors of daily driving, vibration, and temperature fluctuations. Its **fully protected circuit** includes features such as **thermal shutdown protection**, **overcurrent protection**, and **short-circuit protection**, ensuring longevity and peace of mind. The **remote turn-on capability** allows for seamless integration with your car s existing audio system, while the **RCA-level input sensitivity** ensures compatibility with a wide range of sources, from stock car radios to high-end digital receivers. Whether you're enhancing a stock system or building a custom high-end setup, the **Power Acoustik G640-4 Gothic** delivers the **power, precision, and performance** needed to transform your vehicle into a mobile concert hall.

### **Pros and Cons of the Power Acoustik G640-4 Gothic 4-Channel Car Amplifier (640W)**

#### **Pros:**

1. **High Power Output** With a peak power rating of 640 watts (4 channels at 160W each), this amplifier delivers strong performance for its class, suitable for mid-sized car audio systems. It can handle demanding setups with minimal distortion.

2. **4-Channel Configuration** The four-channel layout allows for balanced power distribution between front and rear speakers, making it ideal for systems with four dedicated speakers (e.g., a 4-speaker or 2 2 setup).

3. **Gothic Design** The sleek, black "Gothic" aesthetic gives it a premium look, which may appeal to those who prefer a modern, high-end appearance over traditional designs.

4. **Built-in Protection Features** The amplifier includes safeguards such as short-circuit protection, thermal shutdown, and over-voltage protection, which help extend its lifespan and protect connected components.

5. **Compatibility with Modern Systems** It supports standard RCA inputs and is designed to work with most car audio receivers and head units, making it easy to integrate into existing setups.

6. **Decent Brand Reputation** Power Acoustik is a well-known brand in the car audio market, offering reliable products at competitive prices, which can be reassuring for buyers.

7. **Compact and Easy to Install** The amplifier is relatively compact, making it suitable for installations where space is limited, such as in smaller vehicles or trunk-mounted setups.

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#### **Cons:**

1. **Peak vs. RMS Power Discrepancy** While the amplifier advertises 640W peak power, the RMS (continuous) power rating is typically lower (often around 320W total or 80W per channel). This means it may not sustain high power levels for extended periods, which could affect performance in demanding scenarios.

2. **Lack of Advanced Features** Unlike some high-end amplifiers, this model does not include features such as DSP (Digital Signal Processing), Bluetooth connectivity, or multi-amplifier control, which may limit customization options for advanced users.

3. **No Built-in Subwoofer Output** Since it is a 4-channel amplifier, it does not have a dedicated subwoofer channel, meaning you would need a separate subwoofer amplifier if you want to power a dedicated subwoofer.

4. **Potential for Heat Buildup** The Gothic design, while stylish, may not be as efficient in heat dissipation as more traditional metal or aluminum enclosures. Prolonged use at high power levels could lead to overheating if installed in a poorly ventilated space.

5. **Limited Brand Innovation** Power Acoustik is known for reliability but may not offer cutting-edge technology or unique features found in more premium brands like Focal, JL Audio, or Rockford Fosgate.

6. **Price-to-Performance Ratio** While the amplifier is competitively priced, some users may find that for the same cost, they could get a higher-quality or more feature-rich amplifier from another brand.

7. **No Remote Control or Touchscreen Integration** Unlike some modern amplifiers, this model does not come with a remote control or touchscreen interface, which can be a drawback for users who prefer easy adjustments without opening the car door.

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### **Conclusion:**

The **Power Acoustik G640-4 Gothic** is a solid mid-range 4-channel amplifier that offers strong power output, a sleek design, and reliable performance for its price. It is well-suited for drivers who prioritize simplicity, aesthetics, and decent power delivery without the need for advanced features. However, it may fall short for audiophiles or those who require high-end sound quality, DSP effects, or subwoofer integration.

If you are looking for a straightforward, no-frills amplifier to power a 4-speaker system with adequate power and a modern look, this is a reasonable choice. However, if you need more advanced features, higher RMS power, or subwoofer support, you may want to consider alternatives like the **Rockford Fosgate R12V2-4**, **JL Audio XD400.4**, or **Focal Alpha 400.4**.

### **Recommendation:**

- **Buy it if:** You need a reliable 4-channel amplifier for a standard car audio setup, prefer a stylish design, and don t require advanced features or subwoofer output. It s a good value for its power and price.

- **Avoid it if:** You need high-end sound quality, DSP effects, subwoofer integration, or a more powerful RMS output. In that case, investing in a slightly more expensive amplifier from a premium brand may yield better long-term results.

Details:

Power Acoustik Gothic Series G640-4-Channel Car Amplifier 640W Max.

part #: g6404 price

  • $47.50

specifications caramplifieca:

  • brand: Power Acoustik
  • mpn: G640-4
  • part type: Amplifier
  • rms power: 640w Max

returns caramplifieca:

  • policy: No Returns

payments caramplifieca:

  • other
  • wallet: Paypal
  • credit card: Mastercard

general caramplifieca:

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

offer caramplifieca:

  • options: Ship-to-home
  • sold: 0
  • best offers: True
  • quantity: 1
  • started: May 17, 2026
  • availability: In Stock

seller caramplifieca:

  • # reviews: 10
  • rating: 100.0%
  • city: Ogden, Utah

shipping caramplifieca:

  • class: Standard
  • transit: 4-9 Days
  • service: USPS Ground Advantage
  • cost: $15.00
  • carrier: USPS
  • type: Fixed
part type: amplifier, rms power: 640w max,
category: electronics > vehicle electronics gps > car audio > car amplifiers, sku: 13104393067493881,
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  • Used. Offer #1 priced at $47.50 + $15.00 shipping estimate = $62.50* total. Power Acoustik Gothic Series 4-Channel Car Amplifier 640W Max.+$15.00 shipping

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