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Cheap Amplifier

An amplifier is a device that takes an electrical signal and increases its strength by adding energy to the signal. If you're looking for a way to get more life out of your music, movies, and games, an amplifier can do the trick. Browse the top-ranked list of cheap amplifiers below along with associated reviews and opinions.

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  1. Pyle - PLMRA120 Hydra Marine Amplifier 240W 4-Channel, Waterproof, Dual MOSFET, RCA Input

    SKU: J388JLL3HX

    Product Description

    A waterproof 4-channel marine amplifier with 240W power, dual MOSFETs, RCA input, and LED indicator.
    See all Multi-Channel Amps
    Your price for this item is $36.99

  2. Pyle - 2-Channel Marine Amplifier Receiver - Waterproof and Weatherproof Audio Subwoofer for Boat Stereo Speaker

    SKU: J7SGX3X6JP

    Product Description

    A waterproof, weatherproof black amplifier delivering 36 watts of clean, distortion-free sound for marine audio systems.
    See all Multi-Channel Amps
    Your price for this item is $45.99

  3. VEVOR - 2 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class A/B Full Range Stereo Amp Max Power 2 x 300W @ 4 Ohm - Titanium Gray

    SKU: JJGHKZV7F8

    Product Description

    A titanium gray, 2-channel Class A/B car amplifier with bridgeable design and fast-cooling aluminum body.
    See all Multi-Channel Amps
    Your price for this item is $52.90
    Save $6
    The previous price was $58.99

  4. VEVOR - 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class D Full Range Amp Max Power 4 x 120W @ 4 Ohm / 4 x 200W - Titanium Gray

    SKU: JJGHKZV7F6

    Product Description

    A titanium gray Class D amplifier with four bridgeable channels, fast-cooling aluminum body, and low distortion.
    See all Multi-Channel Amps
    Your price for this item is $64.99

  5. Rocketfish™ - 4 Output Coaxial Amplifier - Silver

    SKU: J2FPJK7J4X

    Works better than most amplifiers you get with standard antennas...I'd like to see them come out with a larger 8 port amplifier....Major upgrade over some old Realistic amplifiers...Mini drop amplifier...

    Product Description

    A silver coaxial amplifier that boosts signal and connects up to four devices for improved reception.
    See all A/V Adapters
    Your price for this item is $17.99
    Save $17
    The previous price was $34.99

  6. Metra - Line Output Converter - Black

    SKU: J7RX7YGKXK

    Exactly what i needed to add a voice amplifier to the stock stereo on a 2018 Nissan Maxima to help the aftermarket speakers sound better...Excelent product it really helps if you want to put a amplifier...

    Product Description

    A black two-channel converter that transforms speaker-level signals to line-level audio for easy amplifier integration.
    See all Deck Converters
    Your price for this item is $17.99

  7. Crunch - V-DRIVE 2125W 2-Channel Car Audio Amplifier - Black

    SKU: J3G2WPXJRX

    Product Description

    A black Class D 2-channel car amplifier with LED VU-Meter, variable bass boost, and wired remote.
    See all Multi-Channel Amps
    Your price for this item is $89.99

  8. VEVOR - 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class D Full Range Amp Max Power 4 x 420W @ 4 Ohm / 4 x 600W - Sandblasted Black

    SKU: JJGHKZV74W

    Product Description

    A sandblasted black Class D amplifier with four bridgeable channels delivers powerful, clear audio and efficient cooling.
    See all Multi-Channel Amps
    Your price for this item is $95.90
    Save $5
    The previous price was $100.99

  9. VEVOR - 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class D Full Range Amp Max Power 4 x 500W @ 4 Ohm / 4 x 1000W - Sandblasted Black

    SKU: JJGHKZV757

    Product Description

    A sandblasted black, 4-channel Class D car amplifier with bridgeable channels and fast-cooling aluminum body.
    See all Multi-Channel Amps
    Your price for this item is $104.90
    Save $12
    The previous price was $116.99

  10. VEVOR - 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class A/B Full Range Amp Max Power 4 x 200W @ 4 Ohm / 4 x 400W - Titanium Gray

    SKU: JJGHKZV75G

    Product Description

    A titanium gray, 4-channel Class A/B car amplifier with bridgeable channels and a fast-cooling aluminum body.
    See all Multi-Channel Amps
    Your price for this item is $62.90
    Save $7
    The previous price was $69.99
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FAQ

When shopping for a budget amplifier, consider features such as the number of channels, input options (like Bluetooth or AUX), power output, compatibility with your speakers, and any built-in equalizer settings for customizing your sound.

Some amplifiers are designed specifically for home or car use, while others are versatile enough for both. Check the product specifications to ensure compatibility with your intended setup.

Yes, many affordable amplifiers now include wireless connectivity options such as Bluetooth, allowing you to stream music directly from your smartphone or other devices.

Most amplifiers can be connected to your audio system using standard RCA cables, speaker wire, or via Bluetooth if supported. Refer to the user manual for detailed setup instructions specific to your amplifier model.

Many budget amplifiers offer outputs for subwoofers or multiple speakers. Check the product description for information on available channels and subwoofer support to ensure it meets your audio needs.