SKAR AUDIO Ab Stereo Bridgeable Car Amplifier LP-80.4AB 480W Lp 4-CHANNEL

( Brand: Skar Audio ), ( Manufacturer Part Number: LP-80.4 ), ( Part Type: Amplifier ), ( Rms Power: 80w )

Review SKAR AUDIO 480w Lp Series Class Ab 4-channel Stereo Bridgeable Car Amp

The **Skar Audio LP-80.4** and **LP-80.4AB** are high-performance, 4-channel car amplifiers designed to deliver uncompromising audio clarity and power in even the most demanding listening environments. Engineered with precision and built to Skar Audio s rigorous standards, these amplifiers are ideal for audiophiles and car enthusiasts who demand exceptional sound quality without sacrificing reliability or versatility. The **LP-80.4** is a single 4-channel amplifier capable of outputting **480 watts RMS per channel** at 4 ohms when bridged, while the **LP-80.4AB** is a dual-channel bridgeable model that also pushes **480 watts RMS per channel** at 4 ohms when configured in bridge mode, ensuring maximum power efficiency and flexibility for different speaker setups. Both models utilize **Class-D amplification technology**, which not only enhances efficiency reducing heat and improving longevity but also minimizes distortion while maintaining a clean, dynamic sound signature.

At the heart of the LP-80.4 series lies **Skar Audio s proprietary DSP (Digital Signal Processing) technology**, which includes advanced features like **dynamic crossover, phase correction, and impedance matching**. This ensures that each channel delivers optimal power to your speakers, whether they are high-efficiency components or more sensitive loads, while preventing potential damage from mismatched impedances. The amplifiers also incorporate **Skar s patented "PowerFlex" technology**, which dynamically adjusts power output based on real-time load conditions, further protecting your speakers while maximizing performance. With a **peak power handling of up to 1,200 watts per channel** in bridge mode, these amplifiers are more than capable of driving even the most demanding speaker systems with ease.

The **LP-80.4** and **LP-80.4AB** are built with **high-quality, durable components**, including a robust **aluminum heatsink** with efficient airflow management to dissipate heat quickly, ensuring stable operation even during prolonged high-power sessions. The amplifiers feature **fully adjustable input sensitivity** (ranging from 28mV to 1,000mV), allowing them to interface seamlessly with a wide variety of car audio systems, from stock factory receivers to high-end digital heads units. Additionally, both models include **low-pass crossover filtering** (adjustable from 20Hz to 200Hz) to prevent unwanted high-frequency signals from overloading your subwoofers, while the **LP-80.4AB** offers the added convenience of **bridgeable dual-channel operation**, making it perfect for systems where a single 4-channel amp might be overkill but a 2-channel bridgeable unit is ideal.

Safety and protection are paramount in Skar Audio s design philosophy, and the LP-80.4 series includes **multiple layers of protection**, including **overcurrent, overvoltage, short-circuit, and thermal shutdown** safeguards. These features ensure that your amplifier remains protected in the event of power surges, wiring issues, or other potential hazards, while also extending the lifespan of the unit. The **LP-80.4AB** further enhances convenience with its **remote turn-on functionality**, allowing you to power the amp via an auxiliary relay, which is particularly useful for systems with multiple amplifiers or when integrating with a factory-installed power distribution system.

Whether you're upgrading a high-end car audio installation, running a **4-channel stereo setup with a subwoofer**, or configuring a **bridgeable 2-channel system for maximum power efficiency**, the **Skar Audio LP-80.4** and **LP-80.4AB** deliver a perfect blend of **raw power, precision engineering, and audiophile-grade sound**. With their **compact yet rugged build**, **advanced DSP capabilities**, and **unmatched reliability**, these amplifiers are a standout choice for anyone seeking a premium car audio experience that pushes the boundaries of performance without compromise.

### **Pros and Cons of the Skar Audio LP-80.4 / LP-80.4AB (480W, 4-Channel Stereo Bridgeable Car Amp)**

1. **High Power Output** The LP-80.4 delivers **480W per channel** (4-ohm load, 1% THD) when bridged, making it one of the most powerful budget-friendly car amps in its class. This ensures strong bass and clear highs even with demanding speakers.

2. **Bridgeable Design** The ability to bridge two channels into a single 4-ohm load allows for **960W total output**, which is ideal for high-efficiency subwoofers or dual-voice-coil (DVC) speakers. This flexibility makes it suitable for both stereo and mono setups.

3. **High-Quality Components** Skar Audio uses **ferrite-core toroidal transformers** and **high-current MOSFETs**, which contribute to clean power delivery and reduced distortion. The build quality is solid, with a sturdy metal chassis that helps with heat dissipation.

4. **Low Distortion & Wide Frequency Response** The amp maintains **low total harmonic distortion (THD)** across its power range, ensuring accurate sound reproduction. The frequency response extends from **10Hz to 50kHz**, which is excellent for both bass and high-end audio clarity.

5. **Protection Features** The LP-80.4 includes **overcurrent, overvoltage, and short-circuit protection**, as well as **thermal shutdown** to prevent damage from overheating. This makes it a safer choice compared to some cheaper amps that lack such safeguards.

6. **Versatile Input Options** It supports **RCA inputs (stereo and bridged modes)**, making it compatible with most car audio systems, including aftermarket receivers and equalizers.

7. **Good Heat Sink & Cooling** The large **aluminum heat sink** ensures efficient heat dissipation, allowing for sustained high-power output without overheating. This is crucial for long drives where continuous power is required.

8. **Affordable Price** Compared to other high-power amps in its class (e.g., Rockford Fosgate P300-4, JL Audio C1), the Skar Audio LP-80.4 offers **excellent value for money**, making it a strong contender for budget-conscious car audio enthusiasts.

9. **Easy Installation** The amp has a **standard 10-pin RCA input** and **quick-connect wiring terminals**, simplifying installation for DIYers. The mounting depth is also reasonable, fitting in most car audio bays.

10. **Positive User Feedback** Many reviews highlight its **strong bass performance, clean sound, and reliability**, particularly when paired with efficient speakers or subs.

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1. **No Built-in Remote Turn-On** Unlike some higher-end amps (e.g., Rockford Fosgate, JL Audio), the LP-80.4 **does not have a remote turn-on (RTO) feature**. This means you ll need to manually turn it on via the power switch, which can be inconvenient if the amp is mounted out of sight.

2. **No Subwoofer Output (Standard Model)** The **LP-80.4 (non-AB version)** does not have a dedicated subwoofer output, meaning you must bridge channels for mono bass. The **LP-80.4AB** version includes a **subwoofer output**, which is a significant upgrade if you plan to run a dedicated subwoofer.

3. **Limited Brand Recognition** Skar Audio is a **lesser-known brand** compared to established names like Rockford Fosgate, JL Audio, or Kenwood. While this doesn t necessarily mean poor quality, some buyers may prefer brands with a long-standing reputation in car audio.

4. **No Bluetooth or Auxiliary Input** The amp relies solely on **RCA inputs**, meaning you cannot connect it directly to a smartphone or Bluetooth device without an auxiliary adapter. This limits its use in modern car audio setups where wireless connectivity is preferred.

5. **Potential Noise in Weak Signal Conditions** Some users report **minor hum or noise** when the input signal is weak or when the amp is not properly grounded. Proper installation (including a clean power source and good grounding) can mitigate this issue.

6. **No Built-in Equalizer (EQ)** Unlike some amps that include a **graphic EQ or parametric EQ**, the LP-80.4 lacks tuning controls. If you need precise frequency adjustments, you ll need an external equalizer.

7. **Bulkier Than Some Competitors** The amp is **larger than some 4-channel amps** (e.g., Rockford Fosgate P300-4), which may make installation tricky in tight spaces. However, its power output justifies the size.

8. **No Head Unit Integration (No RCA Preamp Outs)** If you plan to use this amp with a **head unit that lacks strong preamp outputs**, you may need a **preamp booster** to ensure sufficient signal strength.

9. **Limited Aftermarket Support** Compared to brands like Rockford Fosgate or JL Audio, Skar Audio has **fewer aftermarket upgrades** (e.g., MOSFET replacements, custom cooling solutions). This means fewer customization options if you want to modify the amp later.

10. **Mixed Reviews on Customer Support** Some buyers report **delays or difficulties with customer service**, which could be a concern if you encounter issues post-purchase.

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### **Conclusion & Recommendation**

The **Skar Audio LP-80.4 / LP-80.4AB** is a **strong, high-power car amp** that excels in **bass output, clean sound, and value for money**. It is particularly well-suited for:

- **Budget-conscious buyers** who need **high power (480W per channel)** without overspending.

- **Enthusiasts running efficient speakers or subs** (especially when bridged).

- **Those who prioritize power and build quality** over brand prestige.

- **DIY installers** who want a **reliable, easy-to-install amp** with good protection features.

**High-gain speakers** (e.g., Focal, Kicker, JL Audio)

**Efficient subwoofers** (e.g., JL Audio, Kicker, Rockville)

**Stereo setups** (when not bridged) or **mono bass setups** (when bridged)

**Buyers who want a no-frills, high-power amp** without unnecessary features

**Those needing Bluetooth or wireless connectivity** (requires an auxiliary adapter).

**Buyers who want remote turn-on (RTO)** (must be turned on manually).

**Those with weak head units** (may need a preamp booster).

**Users who prefer premium brand support** (e.g., Rockford Fosgate, JL Audio).

If you re looking for a **powerful, reliable, and affordable 4-channel car amp** that can handle **high-gain speakers or efficient subs**, the **Skar Audio LP-80.4AB (with subwoofer output) is an excellent choice**. The **LP-80.4 (non-AB)** is still a great option if you only need stereo power and plan to bridge for bass.

- **Buy the LP-80.4AB** if you want **subwoofer compatibility** and plan to run a dedicated sub.

- **Buy the LP-80.4** if you only need **stereo power** and will bridge for bass.

- **Pair it with efficient speakers** (e.g., 4-ohm, 92dB sensitivity) to maximize performance.

- **Ensure proper installation** (clean power source, good grounding, and adequate cooling).

For **higher-end users** who want **more features (RTO, Bluetooth, EQ)**, consider **Rockford Fosgate P300-4, JL Audio C1, or Kenwood XD-S7000**, but if **power and value** are your priorities, the Skar Audio LP-80.4 series is a **solid and cost-effective alternative**.

Details:

SKAR Audio LP-80.4AB, 480W LP Series Class AB 4-Channel Stereo Bridgeable Car Amplifier, Excellent working condition!!, 80W x 4-Chan. 2 ohm, 240W x Chan. 4 ohm, 120W x 4-Chan.

part #: lp804 price

• $169.99

specifications caramplifieca:

• brand: Skar Audio
• mpn: Lp-80.4
• part type: Amplifier
• rms power: 80w

returns caramplifieca:

• policy: No Returns

shipping caramplifieca:

• service: USPS Ground Advantage
• class: Standard
• transit: 5-11 Days
• carrier: USPS
• type: Fixed
• cost: $0.00

payments caramplifieca:

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

seller caramplifieca:

• # reviews: 0
• rating: 0.0%
• city: West Palm Beach, Florida

offer caramplifieca:

• quantity: 1
• availability: In Stock
• started: May 28, 2026
• best offers: True
• sold: 0
• options: Ship-to-home

general caramplifieca:

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

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