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  1. Marantz - Reference Series 2.0-Ch. Integrated Amplifier - Black - Front_Zoom
    Sponsored
    Model: PM-10S1
    SKU: 6394692
    Your price for this item is $7,999.98
  2. Sonos - Amp 250W 2.1-Ch Amplifier - Black - Front_Zoom
    Model: AMPG1US1BLK
    SKU: 6312857
    Your price for this item is $649.99
  3. Denon - HEOS AMP HS2SR 200W 2.1-Ch. Wireless Class D Amplifier - Black and Gunmetal - Front_Zoom
    Model: HEOSAMPHS2SR
    SKU: 4927501
    Your price for this item is $499.98
  4. Sonance - Sonamp 600W 12.0-Ch. Digital Power Amplifier - Black - Front_Standard
    Model: SONAMP 12-50
    SKU: 5683420
    Your price for this item is $1,349.98
  5. Amazon - Echo Link Amp - Charcoal - Front_Zoom
    Model: B0798GJVTR
    SKU: 6292554
    Your price for this item is $299.99
  6. Marantz MM7025 Stereo Power Amplifier, 2-Channel (140W x 2), Both Single-Ended RCA and Balanced XLR Inputs - Black - Front_Standard
    Model: MM7025
    SKU: 2173278
    Your price for this item is $799.99
  7. Gemini - XGA 5000W 2.0-Ch. Amplifier - Black - Front_Standard
    Model: 2269095
    SKU: 4511654
    Your price for this item is $219.99
  8. Marantz PM6006 Integrated Amplifier for Superior Sound Quality from Hi-Res Audio Files, Versatile Connectivity - Black - Front_Standard
    Model: PM6006
    SKU: 5467402
    Your price for this item is $699.98
  9. Rotel - 120W 2.0-Ch. Amplifier - Black - Front_Zoom
    Color:
    Black
    Model: A-12 BLACK
    SKU: 5590306
    Your price for this item is $999.98
  10. Russound - Local Source Power Amplifier - Black - Front_Standard
    Model: D250LS
    SKU: 3025901
    Your price for this item is $265.99
    Save $232.99
    The previous price was $498.98
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  12. PYLE - 20W 2-Ch. Power Amplifier - Black - Front_Zoom
    Model: PTA2
    SKU: 4456038
    Your price for this item is $49.99
    Save $64
    The previous price was $113.99
  13. Model: A-S501BL
    SKU: 5097014
    Your price for this item is $549.98
  14. Marantz - 700W 5.0-Ch. Power Amplifier - Black - Front_Zoom
    Model: MM7055
    SKU: 2166035
    Your price for this item is $1,199.98
  15. Rotel - Stereo Preamplifier RC-1590 - Silver - Front_Standard
    Color:
    Silver
    Model: RC-1590 SILVER
    SKU: 5708741
    Your price for this item is $1,999.98
  16. NAD - Phono Preamplifier - Black - Front_Standard
    Model: PP-2E
    SKU: 5408072
    Your price for this item is $169.99
  17. Rotel - 480W 6.0-Ch. Power Amplifier - Black - Front_Zoom
    Model: RMB-1506 BLACK
    SKU: 5708431
    Your price for this item is $1,299.98
  18. Arcam - HDA 980W 7.0-Ch. Power Amplifier - Black - Front_Zoom
    Model: ARCPA720AM
    SKU: 6391973
    Your price for this item is $2,999.98
  19. Russound - P75 2-Ch. Amplifier - Black - Front_Standard
    Model: 2800-536267
    SKU: 7263263
    Your price for this item is $220.98
  20. Marantz - 2.0-Ch. Integrated Current Feedback Amplifier - Black - Front_Standard
    Model: PM5005
    SKU: 8630048
    Your price for this item is $499.98
  21. Rotel - Stereo Preamplifier RC-1570 - Silver - Front_Standard
    Model: RC-1570 SILVER
    SKU: 5708747
    Your price for this item is $999.98
  22. Image Coming Soon - Marantz AV Surround Pre-Amplifier - 11.2 Channel, Advanced 8K Upscaling, IMAX Enhanced, Auro-3D, Amazon Alexa Compatible - Black
    Model: AV7706
    SKU: 6431230
    Your price for this item is $2,499.98
  23. Rotel - 700W 2.0-Ch. Power Amplifier - Silver - Front_Zoom
    Color:
    Silver
    Model: RB-1590 SILVER
    SKU: 5708756
    Your price for this item is $3,499.98
  24. Denon - HEOS SuperLink Networked Multi-Room Preamplifier - Black - Front_Zoom
    Model: HEOSSUPERLINK
    SKU: 6321643
    Your price for this item is $1,499.98
  25. Russound - 300W 1.0-Ch Hi-Res Streaming Mixer Amplifier - Black - Front_Standard
    Model: XZONE70V
    SKU: 5866800
    Your price for this item is $899.98
  26. Classé - Delta PRE Preamp with DAC - Architectural Gray And Black - Front_Zoom
    Model: DELTAPREUS
    SKU: 6398106
    Your price for this item is $9,999.98

Buying an amplifier.

How to pick the best home stereo amplifier.

First the basics: What does an amplifier do, and do you really need one? In a nutshell, a stereo amplifier receives a low voltage signal from the source equipment — a CD player, Blu-ray DVD player or turntable, for instance — and enlarges or amplifies it, sending the signal on its way to powering your speakers. The functions of an audio amplifier can be split into two sectors or components. The first component is known as a preamplifier. It connects all the source devices, can be used to switch between those sources, processes audio or video signals, and sends it all to the second component: the power amplifier. A power amplifier does the heavy lifting, increasing the amplitude of the signal to drive the loads of your speakers. You can select these components as separate units. Or you can get them together in an integrated amplifier, which is a simpler, space-saving option. It also eliminates the necessity of matching the technical specs of the two components so they can work efficiently in tandem.

Another factor that should be considered when you're deciding which speaker amp is the best for you is the class of amplifier. The most common classes are A, AB and D class. Class designations measure how the amplifier handles the input signal to output signal path, factoring in power, efficiency and fidelity, to identify each class of amplifier's performance and characteristics. These designations get complicated fast, dealing with conduction angles, input cycles, sinusoidal wave conductions and more. But in a nutshell, a Class A amplifier gives you the best sound fidelity. But it is the least efficient of the bunch because it’s always on. A class A amplifier provides excellent sound reproduction, especially at low power, but this is at the cost of more energy used and more heat expended. This means adequate ventilation is mandatory. A Class AB amplifier maintains the sound excellence of a class A amplifier, but it adds more efficiency to the process. This makes it a popular choice for home theater and car stereos. A Class D amplifier is the most efficient amplifier type. It's often used in professional PA and car audio systems, where fidelity is of secondary importance to size, weight and heat dissipation.

Adding a new sound amplifier to your home audio system.

You prefer your volume loud. Your stereo is in a big room. Your speakers require a lot of power to drive. You love your bass response. These are all good reasons to add a sound amplifier to your system, even if you already have a receiver. As mentioned, amplifiers are capable of creating significant heat, so you shouldn't cram yours into a small, tight place. Plan on at least 3 inches of clearance above, plus space on the sides and back, to allow proper ventilation and to keep it from overheating. You'll also need room for the connections, the speaker wire and audio cables required to get everything hooked up. If you'd like, you can enlist Geek Squad® help for your home audio setup, which includes connecting your devices and setting up your speakers — all with optimal functionality and a professional look.

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