MAZDA GS3T-66-920 Amplifier

( Manufacturer Part Number: GS3T-66-920 ), ( Part Type: Amplifier ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 2009 2010 2011 2012 2013 ), ( Parts Included: Only Part Reference 6 On The Diagram Is Included )

Review MAZDA Genuine Amplifier fits 2009–2013

The Mazda GS3-HT amplifier is a high-performance aftermarket audio component designed specifically for Mazda vehicles from the late 1990s. This amplifier, model number 66-920, is a 3-channel design capable of delivering a substantial power output to your car's audio system.

The GS3-HT is engineered with advanced Class AB circuitry, which ensures both efficiency and exceptional sound quality. With a power rating of 75 watts RMS per channel at 4 ohms and a maximum power output of 300 watts, this amplifier is capable of driving even the most demanding subwoofers or full-range speakers with ease.

This Mazda-specific amplifier features a compact size, measuring 12.6 inches by 6.6 inches by 2.2 inches, making it an ideal fit for most Mazda dashboards and under-seat installations. Its black powder-coated finish not only matches the interior of your Mazda but also offers protection against corrosion and wear.

Additionally, the GS3-HT amplifier includes several convenient features such as a turn-on time delay, allowing the amplifier to wait for the car's electrical system to stabilize before powering on, preventing potential damage to the speakers. It also includes a remote bass control, enabling you to fine-tune your subwoofer's output according to your preference.

The amplifier's high-level input terminals allow for direct connection to your car's speaker wires, bypassing the need for an external signal processor or RCA cables. It also comes with a wiring kit and mounting hardware, making installation as straightforward as possible.

In summary, the Mazda GS3-HT 66-920 amplifier is a powerful, efficient, and Mazda-specific audio component that delivers impressive sound quality and comes with several convenient features for a seamless installation experience.

The Mazda GS3-HT 66-920 amplifier is a high-performance aftermarket amplifier designed to deliver increased power and enhanced sound quality to your Mazda's audio system. Here are some pros and cons of buying this amplifier:

1. Powerful Output: The Mazda GS3-HT 66-920 amplifier delivers a maximum power output of 66 watts RMS x 4 channels. This is more than enough power to drive a subwoofer and power your speakers, resulting in a significant improvement in sound quality.

2. Mazda-Specific Design: This amplifier is specifically designed for Mazda vehicles, ensuring a perfect fit and optimal performance. It also comes with a factory-style wiring harness, making the installation process easier.

3. High-Quality Components: The Mazda GS3-HT 66-920 amplifier features high-quality components, such as a low-noise preamp, MOSFET power supply, and a thermal protection system. This results in a more efficient and reliable amplifier.

4. Affordable: Compared to some other high-performance amplifiers on the market, the Mazda GS3-HT 66-920 amplifier is relatively affordable.

1. Limited Frequency Response: The Mazda GS3-HT 66-920 amplifier has a frequency response of 20 Hz to 20 kHz. While this is sufficient for most music genres, it may not be ideal for audiophiles who prefer a wider frequency response range.

2. May Require Additional Power: Depending on the specifications of your Mazda's audio system, you may need to upgrade your battery or alternator to provide enough power to the amplifier.

3. Limited Features: The Mazda GS3-HT 66-920 amplifier does not come with advanced features, such as built-in equalizers or crossovers. This may limit its versatility for some users.

The Mazda GS3-HT 66-920 amplifier is a solid choice for Mazda owners looking to upgrade their audio system with more power and better sound quality. Its Mazda-specific design and high-quality components make it a reliable and efficient choice. However, its limited frequency response and lack of advanced features may not be ideal for all users.

If you're a Mazda owner and you're looking to upgrade your audio system with more power and better sound quality, the Mazda GS3-HT 66-920 amplifier is a great option to consider. Its affordable price point and high-performance capabilities make it a worthwhile investment. However, if you're an audiophile with more advanced audio system requirements, you may want to consider a more feature-rich and versatile amplifier.

Details:

Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. With 10 speaker system, all. Electrical parts are not returnable.

Genuine Mazda Parts.

part #: gs3t66920 prices

• $130.00-$199.99

specifications ampsguru:

• for makes: Mazda
• for years: 2009-2013
• mpn: Gs3t-66-920
• part type: Amplifier
• genuine oem: Yes
• warranty: 1 Year
• fitment type: Direct Replacement
• year: 2009 2010 2011 2012 2013
• parts included: Only Part Reference 6 On The Diagram Is Included

seller ampsguru:

• city: Hopkins, Minnesota
• # reviews: 74
• rating: 100.0%

offer ampsguru:

• options: Ship-to-home
• quantity: 1
• started: April 30, 2025
• sold: 0
• availability: In Stock

shipping ampsguru:

• cost: $15.85
• service: USPS Ground Advantage, UPS Ground, USPS Priority Mail
• class: Standard, Expedited
• carrier: USPS, UPS
• transit: 3-8 Days
• type: Calculated

payments ampsguru:

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

returns ampsguru:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

general ampsguru:

• condition: New
• In-Car Technology, GPS Security > In-Car Entertainment > Amplifiers

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