Best Cheap Audio Amplifier
There are a few things to consider when purchasing an audio amplifier. The first is the power supply. Amplifiers come in a variety of wattages, so it is important to choose one that is compatible with your device. Additionally, make sure the amplifier has a good range of input power. A good rule of thumb is to aim for around 100 watts. Finally, make sure the amplifier is easy to use and has a built-in speaker.
Bestseller No. 1
Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier
- 500-Watt MOSFET 4-Channel Class A/B Power Car Amplifier
- RMS Power at 2 Ohms: 125 Watts x 4 Channels
- RMS Power at 4 Ohms: 75 Watts x 4 Channel
- User Adjustable Controls: Gain, Variable LPF, HPF, Bass EQ Switch (0, +6, +12 dB)
- 4 Way Protection Circuitry | Frequency Response: 20 Hz - 20,000 Hz
SaleBestseller No. 2
BOSS Audio Systems PF1800 4 Channel Car Amplifier - 1800 Watts, Full Range, Class A-B, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable
- Power - 450 Watts Max x 4 @2-Ohms, 225 Watts Max x 4 @4-Ohms, 900 Watts Max x 2 Bridged @4 Ohms
- Class A/B Topology - Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal
- Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers
- Mosfet Power Supply - A MOSFET is basically an electrical switch that allows the flow of electrical current. It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry
- Variable Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier
Bestseller No. 3
CALIDAKA Professional Audio Power Amplifier,2 Channel Theater Power Stereo Sound Receiver,Home Audio Power Amplifier System,Auto Stable Power Amplifier Music Receiver for Speaker Studio Use
- [Material] : Made up of aluminum alloy body, thick, feel is also very good.
- [Mini HIFI Audio Power Amplifier] : Two main channel output. Large knobs are designed with blue LED lights to make the products more beautiful.
- [Features] : Left and right channel outputs are interfaces for SPeakers or speakers.
- [Compact Size] : The professional integrated stereo receiver features a mini compact size and measures about 125 x 75 x 40mm(L*W*H), easy to bring anywhere is needed. Can be used for indoor home and outdoor sound system applications.
- [More Clearer,More Stronger] : Low distortion supplies a clearer, stronger and more powerful sound.
Bestseller No. 4
Acxico 2Pcs LM386 10W Mini Power Amplifier Board Audio Amplifier Module DC 3-12V Volume Adjustable Control
- Wide operating voltage range: 3-12V, suggestion ≥5V
- Speaker power: 05W-10W, suggestion 8W speaker is the best
- Low static power consumption, the quiescent current of approximately 2MA, ideal for battery-powered
- Low power consumption, updated within the chain gain adjustable,large supply voltage range, fewer external components and total are widely used, widely used tape recorders and radios being.
- On-board volume control potentiometer clockwise to increase the volume,with power indicator light.
Bestseller No. 5
Audio IC Development Tools Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302 (1 piece)
- Delivers up to 2.5 Watts into 4-8 ohm impedance speakers
- Very efficient Class-D controller amp
- Built in thermal and over-current protection
- Fixed 24dB gain, onboard trim potentiometer for adjusting input volume.
- Output is "Bridge Tied" meaning the output pins connect directly to the speaker pins, no connection to ground
SaleBestseller No. 6
Kinter MA170+ 2-Channel Auto Home Cycle Arcade DIY 2 x 18 W Mini Amplifier Bass Treble RCA Input Audio Mini Amplifier with 12V 3A Power Supply Black
- Adjustable bass and treble for lifelike sound
- Pulsating LEDs change color
- Extruded aluminum housing with mounting tabs great for Arcade Sound
- RCA Left and Right inputs
- INCLUDES 12V 3A POWER SUPPLY
Bestseller No. 7
Pyle PTA62BT.5 - Bluetooth Home Audio Amplifier System - Upgraded 6 Channel 750 Watt Wireless Home Sound Power Stereo Receiver w/ USB, Micro SD, Headphone, 2 Microphone Input w/ Echo, Talkover for PA
- POWERFUL 750 WATT: The Pyle 6-Channel Bluetooth Home Audio Amplifier gives you 750W peak power which can be used for multi speakers w/ 4-8 ohms impedance allowing you to enjoy high quality audio. Perfect for your PA and home theater entertainment
- BLUETOOTH CAPABLE: The personal portable digital amp box works with today’s latest devices including smartphones, tablets, laptops and computers as it is equipped with Bluetooth wireless music streaming with hassle-free receiver pairing
- MULTIPLE INPUTS: The integrated indoor stereo receiver supports iPod or MP3, USB, micro SD, AUX playback, built-in FM radio w/ digital LCD display, audio input and REC + subwoofer output RCA (L/R) connectors. Also features 2 ¼” microphone inputs
- MIC TALK-OVER FUNCTION: The professional sound amplifying device features a MIC talk-over function which when activated the current music or audio being played will be temporarily halted. This function is used in paging, voice-over, and announcements
- INTEGRATED EQUALIZER: The compact amplifier has crisp buttons for the audio sources and selectors, rotary knob for equalization, mic and master volume adjustments. A remote control is also included in the package for distant audio adjustments
SaleBestseller No. 8
Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi-Fi Class D Integrated Amp 2.0 CH for Home Speakers 100W x 2 with Bass and Treble Control TPA3116 (with Power Supply)
- Simple compact design but practical and powerful, little Hi-Fi Bluetooth wireless amplifier exclusively designed for the customers who pursue HiFi sound.
- Bluetooth 5.0 core, up to 50ft connection range guarantees low signal delay. No pop, no audible noise when Bluetooth connection is established.
- BT20A Bluetooth stereo receiver amplifier adopts 2PCS Texas Instruments TPA3116D2 chip. The TPA3116D2 are stereo efficient and digital amplifier power stage for driving speakers, with advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences.
- 100W RMS X 2(4 ohms, 20 Hz - 20 kHz, 0.04% THD), comes with a 24V power supply, can drive 280watts(8 ohms), 320watts(4 ohms) speakers.(for passive speakers only, not the powered speakers).
- Advanced circuitry design, built-in speakers protection circuit, best for bookshelf/computer/desktop/speakers in your home.
SaleBestseller No. 9
BOSS Audio Systems PM1500 Monoblock Car Amplifier - 1500 Watts, 2/4 Ohm Stable, Class A/B, Mosfet Power Supply, Great for Subwoofers
- Power - 1500 Watts Max x 1 @2-Ohms, 700 Watts Max x 1 @4-Ohms
- Class A/B Topology - Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal
- Mosfet Power Supply - A MOSFET is an electrical switch that allows the flow of electrical current. It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry
- Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction
- Low & High Level Inputs - A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers
Bestseller No. 11
Saiyin Bluetooth Amplifier Home Audio , 80W x 2 Stereo Amplifier Receiver 2.0 Channel Mini Hi-Fi Class D Integrated Amp with Headphone Jack, Bass/Treble Control for Home Speakers
- 2.0 Channel Amplifier Home Audio: The dual channel bluetooth stereo amplifier receiver can accommodate 2 sets of speakers, with its own ETL certified power supply driving 80W x 2 power, providing you with enough power to enjoy high-quality amplified audio
- Wireless Bluetooth 5.1 Stereo Power Amplifier: Bluetooth amplifier has the advantages of high speed and stable transmission, low power consumption, long transmission distance, automated reconnection to the last connected device, no popping sound and noise; it is suitable for the latest device, including smart phone, laptop, tablet, computer
- Headphone Jack Output: 125mW X 2(32 ohms, 20 Hz - 20 KHz, 0.001% THD), direct coupling circuit, eliminates DC blocking capacitors, directly drives impedance 16Ω - 200Ω headphones, audio signal output without loss, anti-interference function makes the sound pure and clear
- Easy To Set UP: Supports Bluetooth, AUX and RCA inputs to drive most home passive/powered speakers, powered subwoofer, headphones. Treble/bass and master volume knob controls for richer, clearer sound
- How to Use Two Amplifers at the Same Time: One end of audio cable connects to the RCA input of an amplifier and another end connects to the Line out jack of another amplifer, making it possible to let 2 more passive speakers to play at the same time and creating a shocking HIFI sound quality
Bestseller No. 12
Fosi Audio BL20A 200W Bluetooth 5.0 Home Audio Stereo Amplifier Hi-Fi Mini Class D Integrated Amp with U-Disk/3.5MM AUX/RCA Input and Remote Control for Home Passive Speakers with Power Supply
- Fosi Audio BL20A 2.1 channel Bluetooth 5.0 power amplifier can drive most home passive/powered/bookshelf/ceiling speakers. With 3.5MM AUX output, BL20A can connect to passive speakers and powered speakers simultaneously. Or you can connect to an preamp through the 3.5MM output to build a simple sound system.
- 3 Input Modes: BL20A support Bluetooth, RCA, U-Disks and 3.5MM AUX input with bass, treble, volume and remote control, compatible with most latest device. Utilizes Bluetooth 5.0 technology for seamless device linking and a 50ft connection range. A new generation class D amplifier give you the ultimate Hi-Fi music experience.
- BL20A Adopt 2PCS Texas Instruments TPA3116 poewr amplifier chips digital amplifier power stage for driving speakers up to 100W / 2 Ω in mono channel, MAX power output up to 200Watts. The TPA3116 are fully protected against faults with short-circuit protection and thermal protection as well as overvoltage, undervoltage, and DC protection. Faults are reported back to the processor to prevent devices from being damaged during overload conditions PCB to be used across different power levels.
- Mini and Elegant Design: Small and compact aluminum alloy body(Size: 5.2x3.54x1.42 inches), easy to set up, this audio component amplifier is a great choice to your home audio stereo systems.
- What you Get: BL20A Power Amplifier x1, Power Adapter x1, AC Cord x1, User Manual x1, 18-month worry-free warranty, and friendly customer service.
SaleBestseller No. 13
BOSS Audio Systems PT1600 2 Channel Car Amplifier – Phantom Series, 1600 Watts, Full Range, Class A/B, 2-8 Ohm Stable, Mosfet Power Supply, Bridgeable
- Power - 800 Watts Max x 2 @2-Ohms 400 Watts Max x 2 @4-Ohms 1600 Watts Max x 1 Bridged @4 Ohms
- Full Range - With a Full Range amplifier you not only have the option to run your speakers but also your subwoofers
- Class A/B Topology - Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal
- Mosfet Power Supply - A MOSFET is an electrical switch that allows the flow of electrical current It controls the output voltage and current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry
- Variable Gain Control - The gain control is not for adjusting volume It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier
Bestseller No. 14
MakerHawk 2pcs Bluetooth Audio Receiver Board BT 5.0 Stereo Audio Amplifier 3.7-5V Car Speaker Amplifier for DIY
- Decoding Format: WAV+APE+FLAC+MP3 lossless decoding, stereo output.
- BT5.0-Audio: Genuine 5.0 Blue tooth audio decoding chip. Supports incoming voice calls and can be used as a computer sound card.
- Transmission Distance: 15m transmission under barrier-free environment.
- Application: With the basic functions of B T5.0 Audio, long-distance transmission, lossless sound quality, Blue tooth 5.0 is backward compatible with Blue tooth 4.2, 4.1, 4.0.
- Choose between USB power supply and battery power supply: This product has a discharge function and can be powered by a USB power supply. Note: If the USB is suddenly disconnected during playback, Blue tooth will automatically restart, automatically connect and maintain the previous playback state (Note: The product cannot be charged)
SaleBestseller No. 15
BOSS Audio Systems PT1000 2 Channel Car Amplifier - 1000 Watts, Full Range, Class A/B, 2-8 Ohm Stable, Mosfet Power Supply, Bridgeable
- Power - 500 Watts Max x 2 @2-Ohms, 250 Watts Max x 2 @4-Ohms, 1000 Watts Max x 1 Bridged @4 Ohms
- Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers
- Class A/B Topology - Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal
- Mosfet Power Supply - A MOSFET is an electrical switch that allows the flow of electrical current. It controls the output voltage and current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry
- Variable Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier