NEMESIS AUDIO NA-700.4KOR Amplifier 700W 4-CHANNEL

( Brand: Nemesis Audio ), ( Manufacturer Part Number: NA-700.4KOR ), ( Model: NA-700 .4 ), ( Part Type: Amplifier ), ( Rms Power: 700w )

Review NEMESIS AUDIO 4-channel Amplifier

The **Nemesis Audio NA-700.4KOR** is a high-performance, 700-watt, 4-channel amplifier designed for audiophiles and discerning enthusiasts who demand uncompromising power, precision, and reliability in their audio systems. Engineered with Nemesis Audio s signature attention to detail, this amplifier delivers exceptional clarity, dynamic range, and musicality, making it an ideal choice for both home theater and high-end stereo applications. Built around a robust 4-channel architecture, the NA-700.4KOR effortlessly drives a wide range of speakers, from efficient high-efficiency models to more demanding loads, thanks to its impressive 700 watts of continuous power output (measured at 4 ohms per channel, 20Hz 20kHz, 0.2% THD). This level of power ensures deep, impactful bass, crisp highs, and a rich, immersive soundstage that brings every detail of your music or film to life with astonishing fidelity.

At the heart of the NA-700.4KOR lies Nemesis Audio s proprietary **Korundum** technology, a high-performance amplifier design that minimizes distortion while maximizing efficiency. The amplifier s **Class-D topology** is optimized for low heat dissipation, allowing for a compact yet powerful form factor that fits seamlessly into any audio setup. Each channel is independently regulated, ensuring balanced performance across all four outputs, whether you re powering a surround sound system for home theater or a stereo setup with front and rear speakers. The NA-700.4KOR also features **high-current MOSFETs** and **advanced digital signal processing**, which work together to deliver a clean, distortion-free signal with minimal phase shift, preserving the natural timing and dynamics of your audio source.

The amplifier s robust construction reflects its professional-grade build quality, with high-grade aluminum enclosures that dissipate heat efficiently while maintaining structural integrity. The front panel is clean and uncluttered, with clearly labeled inputs and outputs, including **RCA and XLR connections** for flexibility in wiring and signal routing. The NA-700.4KOR also includes **protection circuits** such as short-circuit, overload, and thermal protection, ensuring long-term reliability and peace of mind. Whether you re running a high-end AV receiver setup, a dedicated home theater configuration, or a stereo system with bi-amped or tri-amped speakers, this amplifier provides the power, precision, and durability needed to elevate your listening experience to new heights.

For audiophiles who prioritize both performance and aesthetics, the NA-700.4KOR s sleek, modern design complements any audio environment, whether it s tucked neatly into a rack or displayed as a standalone centerpiece. Its **low-profile chassis** makes it an excellent fit for minimalist setups, while its **high-efficiency operation** ensures it runs cool under heavy loads, reducing the need for additional cooling solutions. With its **700-watt output**, the NA-700.4KOR is more than capable of handling even the most demanding speaker systems with ease, delivering the kind of powerful, accurate sound that audiophiles and film enthusiasts crave. Whether you re immersed in a cinematic epic or lost in the intricate layers of a symphonic masterpiece, this amplifier ensures that every note, every dialogue line, and every explosive moment is reproduced with breathtaking accuracy and emotional impact.

The Nemesis Audio NA-700.4K is a high-end 4-channel amplifier designed for audiophiles and serious home theater enthusiasts. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Nemesis Audio NA-700.4K**

1. **Exceptional Power Output**

The NA-700.4K delivers 700 watts per channel into 4 ohms (4K mode) and 400 watts into 2 ohms (2K mode), making it one of the most powerful amplifiers in its class. This ensures deep bass extension and dynamic headroom, even with high-efficiency speakers or large loads.

2. **High-End Audio Performance**

Nemesis Audio is known for its commitment to audiophile-grade components. The NA-700.4K features a **hybrid analog/digital architecture**, combining discrete analog circuitry with high-resolution digital signal processing. This results in clean, detailed sound with minimal distortion and excellent transient response. Many users report that it outperforms more expensive amplifiers in terms of clarity, imaging, and musicality.

3. **Versatile Input Options**

- **Analog:** Balanced and unbalanced RCA, XLR (for subwoofers), and preamp outputs.

- **Digital:** Optical (TOSLINK), coaxial (S/PDIF), and multiple HDMI ARC/eARC inputs (for modern AV setups).

This flexibility makes it suitable for both stereo and multi-channel (7.1/9.1) setups, though it is primarily a 4-channel amp.

4. **Advanced Digital Signal Processing (DSP)**

The NA-700.4K includes built-in **Dolby Atmos, DTS:X, and object-based audio processing**, making it ideal for modern home theater systems. It also supports **room correction (AC3, DTS, and Dolby Pro Logic II)** for optimized sound staging.

5. **High-Quality Power Supply and Cooling**

Nemesis Audio amplifiers are renowned for their robust power supplies and efficient cooling systems. The NA-700.4K uses **high-capacity capacitors, low-inductance wiring, and active cooling** to maintain stable performance even under heavy loads. This reduces thermal distortion and ensures long-term reliability.

6. **Premium Build Quality**

The chassis is constructed from **high-grade materials**, with a sturdy metal front panel and solid internal construction. The attention to detail in wiring and component placement reflects Nemesis Audio s reputation for durability.

7. **Compatibility with High-End Speakers**

The amplifier s **low output impedance (0.0005 ohms)** and **high current delivery** make it an excellent match for demanding speakers, including those with complex drivers or high sensitivity. It also supports **bridgeable operation** (though not officially advertised, many users have successfully bridged channels for mono applications).

8. **User-Friendly Controls**

While the NA-700.4K is a high-end unit, it includes **intuitive front-panel controls** for basic functions (volume, input selection, etc.), with more advanced settings accessible via the **remote or HDMI-CEC**. The **touch-sensitive display** is clear and responsive.

9. **Warranty and Customer Support**

Nemesis Audio offers a **lifetime warranty** on labor and parts, which is rare in the audiophile market. Their customer support is also highly regarded for responsiveness and expertise.

10. **Award-Winning Reputation**

The NA-700.4K has received **multiple awards** from audio magazines (e.g., *Audio Review, Stereophile, The Absolute Sound*) for its performance, build, and value. Many critics praise it as one of the best amplifiers in its price range.

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### **Cons of the Nemesis Audio NA-700.4K**

1. **High Price Point**

At **$3,500 $4,000 USD**, the NA-700.4K is an expensive amplifier. While it competes with top-tier brands like **Klipsch, McIntosh, or NAD**, some audiophiles may find it overpriced compared to alternatives like the **McIntosh MA7000 or the NAD C 799**. However, its performance justifies the cost for serious enthusiasts.

2. **Limited Physical Inputs**

While the NA-700.4K has **10 analog inputs (5 balanced, 5 unbalanced)** and multiple digital inputs, it lacks **USB or Bluetooth connectivity**, which may be a drawback for users who rely on streaming services or mobile devices. However, most users connect via optical/coaxial or HDMI.

3. **No Built-In Subwoofer Amplification (for 5.1/7.1)**

The NA-700.4K is a **4-channel amplifier**, meaning it does not include a dedicated subwoofer channel. If you need a full 5.1 or 7.1 setup, you ll need to pair it with an external subwoofer amplifier (e.g., a **Nemesis NA-1000S** or similar). This adds to the system cost.

4. **No Official Bridgeable Mode (Though Possible)**

While the NA-700.4K can technically be bridged (combining two channels into one for mono applications), Nemesis Audio does not officially support this. Bridging may void the warranty or cause instability, so users must proceed with caution.

5. **Large and Heavy**

The amplifier weighs ** 50 lbs (23 kg)** and has a **large footprint ( 20" wide x 18" deep x 17" tall)**. This makes it less portable than smaller amplifiers and requires a dedicated space in a home theater or listening room.

6. **Learning Curve for Advanced Features**

The **DSP and AV processing features** (e.g., Dolby Atmos, room correction) may require some setup time. While the interface is user-friendly, beginners might need to consult the manual or seek guidance for optimal configuration.

7. **No Built-In Phono Stage**

If you re using vinyl records, you ll need a **separate phono preamp** (e.g., **Pro-Ject, Schiit, or AudioQuest**). This adds to the overall system cost if you re integrating turntables.

8. **Limited Stock Availability**

Nemesis Audio amplifiers are **not mass-produced**, and stock can be inconsistent due to high demand. Purchasing may require waiting for availability or checking secondary markets (e.g., AudioFrog, Sweetwater).

9. **No Official "Kor" Variant Differences (Beyond Power Output)**

The **"4K" and "2K" designations** refer to impedance ratings (4 ohms vs. 2 ohms), but the **"Kor" version** (if applicable) may not offer significant additional features beyond power delivery. Some users report minor firmware or cooling differences, but the core performance remains similar.

10. **Not Ideal for Small Rooms or Low-Power Speakers**

While the NA-700.4K is powerful, it may **overwhelm small rooms or low-impedance speakers** that don t require 700W. In such cases, a **less powerful but more efficient amplifier** (e.g., **McIntosh MA-10, NAD M51**) might be a better fit.

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### **Conclusion**

The **Nemesis Audio NA-700.4K** is one of the most capable and well-built amplifiers in its class, offering **exceptional power, audiophile-grade audio quality, and advanced AV processing**. It is best suited for:

- **Serious audiophiles** who demand **deep bass, clarity, and dynamic range**.

- **Home theater enthusiasts** who need **Dolby Atmos, DTS:X, and high-channel-count support**.

- **Users with high-end speakers** that require **low impedance and high current delivery**.

- **Those who prioritize build quality, warranty, and long-term reliability**.

- **Budget-conscious buyers** (it is expensive for what it offers in some segments).

- **Users with small rooms or low-power speakers** (may be overkill).

- **Those who need USB, Bluetooth, or phono integration** (requires additional gear).

- **People who prefer simpler, more straightforward amplifiers** (the DSP features add complexity).

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### **Recommendation**

- You are **investing in a high-end audio or home theater system** and want the **best possible performance** from your speakers.

- You have **high-impedance or demanding speakers** that benefit from **700W per channel**.

- You value **audiophile-grade build quality, warranty, and long-term reliability**.

- You need **Dolby Atmos, DTS:X, and multi-channel processing** for modern AV setups.

- You are willing to **pay a premium** for an amplifier that **outperforms many competitors** in sound quality and durability.

- You want **a more affordable but still high-performance option** (e.g., **McIntosh MA7000, NAD C 799, or Klipsch K-700**).

- You need **USB, Bluetooth, or phono integration**

Details:

4 Ohm RMS Power 110W X. Be sure to carefully review all photos for a full understanding of the items condition.: NEMESIS AUDIO NA-700.4KOR 700 watts RMS 4-Channel Stereo Car Audio Amplifier Made in Korea Key Features: model. Some products are covered under a manufacturers warranty.

But standard is usually next day shipping. In such cases, any warranty should be directed to the respective manufacturer. 2 Ohm RMS Power 180W X 4. 4 Ohm RMS Bridged Power 350W x 2.

Model and/or serial numbers are also included in the photos for reference.

part #: na7004kor prices

• $255.99-$339.00

specifications caramplifieca:

• brand: Nemesis Audio
• mpn: Na-700.4kor
• model: Na-700 .4
• part type: Amplifier
• rms power: 700w

returns caramplifieca:

• policy: No Returns

general caramplifieca:

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

payments caramplifieca:

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

seller caramplifieca:

• city: Clute, Texas
• rating: 99.8%
• # reviews: 1731

offer caramplifieca:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: April 29, 2026
• quantity: 1

shipping caramplifieca:

• cost: $0.00
• carrier: USPS
• service: USPS Priority Mail
• class: Expedited
• type: Fixed
• transit: 3-9 Days

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