designing audio power amplifiers

Free Express Shipping! Crown Audio XLi 800 Stereo Power Amplifier 300W per Channel at 4 Ohms, 200W per Channel at 8 Ohms, 600W at 8 Ohms Bridged Mono, Stereo/Parallel/Bridge-Mono Mode, User Selectable Input Sensitivity, Balanced XLR and Unbalanced RCA... ... more

HA800 Headphone Amplifier Audio Amp. Ultra-compact 8 Channels Mini Audio Stereo Microphone AMP. with Power Adapter: Ultra-compact stereo headphone amplifier for studio and stage application.Ultra low noise 4580 operational amplifier for outstanding... ... more

AK170 12V Mini Audio Power Amplifier Digital Audio Receiver AMP Dual Channel 20W+20W Bass Treble Volume Control for Car Home Use: It is a power amplifier for 2.0CH speakers.Super size amplifier can be hold by one hand.Treble bass and adjustment buttons... ... more

AK370 Mini Audio Power Amplifier Portable Sound Amplifier Speaker Amp for Car and Home This audio amplifier is small in size and easy to operate you can use it at home and carrying it to your car is also very convenient. AK370 Mini Audio Power... ... more

HA800 Headphone Amplifier Audio Amp. Ultra-compact 8 Channels Mini Audio Stereo Microphone AMP. with Power Adapter: Ultra-compact stereo headphone amplifier for studio and stage application.Comes with a DC 12V power adapter.With 8 headphone output... ... more

HA800 Headphone Amplifier Audio Amp. Ultra-compact 8 Channels Mini Audio Stereo Microphone AMP. with Power Adapter: With 8 headphone output channels and 1 input channel.Volume of each output channel can be controlled independently.Ultra-compact stereo... ... more

HA800S Headphone Amplifier 8 Channels Mono/Stereo Metal Stereo Headphone Amps Audio Amp. Ultra-compact 8-Channel Mini Audio Stereo Microphone AMP. with Power Adapter This 8-channel stereo headphone amplifier is designed for use with all types of... ... more

50W+50W BT 5.1 Wireless Audio Power Amplifier Portable Sound Amplifier Speaker Amp for Car and Home This power amplifier is compact easy to carry and simple to use dual channel stereo sound without compromising sound quality. 50W+50W BT 5.1 Wireless... ... more

50W+50W BT 5.1 Wireless Audio Power Amplifier Portable Sound Amplifier Speaker Amp for Car and Home This power amplifier is compact easy to carry and simple to use dual channel stereo sound without compromising sound quality. 50W+50W BT 5.1 Wireless... ... more

AK170 Mini Audio Power Amplifier Portable Sound Amplifier Speaker Amp for Car and Home This audio amplifier is small in size and easy to operate you can use it at home and carrying it to your car is also very convenient. AK170 Mini Audio Power... ... more

Protections against overvoltage undervoltage clipping short circuit overheating etc. Large heat dissipation area ensure high power and high performances operation. It can be controlled through the mobilephone app the knob and the IR remote... ... more

HA800S Headphone Amplifier 8 Channels Mono/Stereo Metal Stereo Headphone Amps Audio Amp. Ultra-compact 8-Channel Mini Audio Stereo Microphone AMP. with Power Adapter This 8-channel stereo headphone amplifier is designed for use with all types of... ... more

MT21 2.1-Channel BT AUX Digit Audio Power Amplifier Module High Power Sound Amp Suitable for 20-100W Horns This is a kind of quality audio amplifier module which adopts quality electronic component with accuracy process which ensures fine durability... ... more

MT21 2.1-Channel BT AUX Digit Audio Power Amplifier Module High Power Sound Amp Suitable for 20-100W Horns This is a kind of quality audio amplifier module which adopts quality electronic component with accuracy process which ensures fine durability... ... more

JOYO JA-01 Mini Electric Guitar Amplifier AMP MP3 Input 3.5mm with Earphone: Easy to use catch your inspiration anytime.Pocket design convenient to carry.Power indicator.Clean and distortion settings.Plug the or MP3 player in and play along.... ... more

AK170 Mini Audio Power Amplifier Portable Sound Amplifier Speaker Amp for Car and Home This audio amplifier is small in size and easy to operate you can use it at home and carrying it to your car is also very convenient. AK170 Mini Audio Power... ... more

30W 3-28MHz Shortwave Power Amplifier Board CW SSB Linear High Frequency Power Amplifier Finished Board A shortwave amplifier board is an important piece of equipment used in radio communications. It is mainly used to enhance the power of shortwave... ... more

FX-AUDIO XL01 BT Audio Power Amplifier 2.1 Channel HiFi Digital Power Amp Wireless Stereo Sound Portable BT Audio Receiver Amplifier for Speakers Mini BT Amplifier: Connect your devices seamlessly with the built-in BT feature. Stream wirelessly from... ... more

10 Channels Powered Mixer Amplifier Digital Audio Mixing Console Amp with 48V Phantom Power USB/ SD Slot for Recording DJ Stage Karaoke: 10 channels with XLR and Line mono inputs.2-band EQ (HI & LOW) on each channel and 5-band graphic equalizer on the... ... more

MT21 2.1-Channel BT AUX Digit Audio Power Amplifier Module High Power Sound Amp Suitable for 20-100W Horns This is a kind of quality audio amplifier module which adopts quality electronic component with accuracy process which ensures fine durability... ... more

MT21 2.1-Channel BT AUX Digit Audio Power Amplifier Module High Power Sound Amp Suitable for 20-100W Horns This is a kind of quality audio amplifier module which adopts quality electronic component with accuracy process which ensures fine durability... ... more

AK170 Audio Power Amplifier Portable Sound Amplifier Speaker Amp for Car and Home This audio amplifiers is small in size and easy to operate you can use the audio amplifier at home and carrying the audio amplifier to your car is also very convenient.... ... more

30W 3-28MHz Shortwave Power Amplifier Board CW SSB Linear High Frequency Power Amplifier Finished Board A shortwave amplifier board is an important piece of equipment used in radio communications. It is mainly used to enhance the power of shortwave... ... more

Ultra-compact 4-channel Stereo Headphone Amplifier Upgraded Mini Audio Amp with Mono & Stereo Switch Power Adapter Professional Mono/Stereo Audio Amp for Studio and Stage: Volume of each output channel can be controlled independently.Comes with a DC... ... more

HA800S Headphone Amplifier 8 Channels Mono/Stereo Metal Stereo Headphone Amps Audio Amp. Ultra-compact 8-Channel Mini Audio Stereo Microphone AMP. with Power Adapter This 8-channel stereo headphone amplifier is designed for use with all types of... ... more

50W+50W BT 5.1 Wireless Audio Power Amplifier Portable Sound Amplifier Speaker Amp for Car and Home This power amplifier is compact easy to carry and simple to use dual channel stereo sound without compromising sound quality. 50W+50W BT 5.1 Wireless... ... more

30W 3-28MHz Shortwave Power Amplifier Board CW SSB Linear High Frequency Power Amplifier Finished Board A shortwave amplifier board is an important piece of equipment used in radio communications. It is mainly used to enhance the power of shortwave... ... more

Ultra-compact 4-channel Stereo Headphone Amplifier Upgraded Mini Audio Amp with Mono & Stereo Switch Power Adapter Professional Mono/Stereo Audio Amp for Studio and Stage: Comes with a DC 12V power adapter.Provides highest audio quality for each... ... more

S-288 Mini Audio Power Amplifier 4.1-Channel Digital BT5.0 Amplifier 50W*4 Home Audio Receiver System U Disk Playback MIC Input LCD Display with Remote Control: You can connect it with your pc/mobile phone/laptop via BT connection or 3.5mm AUX cable.... ... more

2.1 Channel Subwoofer Power Amplifier Module DIY Kit 50Wx2+100W Treble Bass Volume Control DC 12-24V BT Audio Amplifier Board Stereo Speaker Digital Amp for Audio System Mini audio amplifier module DIY kit is easy to assemble and can easily fit your... ... more

12V / 110V Mini Audio Power Amplifier 2CH 300W+300W for Car Home Use BT Digital Audio Receiver AMP USB Memory Card Slot Digital MP3 Player FM Radio LCD Display Dual Mic Input with Remote Control Overview: This audio amplifier is small in size and easy... ... more

12V / 110V Mini Audio Power Amplifier 2CH 300W+300W for Car Home Use BT Digital Audio Receiver AMP USB Memory Card Slot Digital MP3 Player FM Radio LCD Display Dual Mic Input with Remote Control Overview: This audio amplifier is small in size and easy... ... more

AK170 12V Mini Audio Power Amplifier Digital Audio Receiver AMP Dual Channel 20W+20W Bass Treble Volume Control for Car Home Use: Treble bass and adjustment buttons for easy operation.Supports AC/DC12V supply suitable for home and car use.Super size... ... more

HIFI BT5.0 Digital Amplifier Mini Stereo Audio Amp 100W Dual Channel Sound Power Audio Receiver Stereo AMP USB AUX for Home Theater USB TF Card Player Sliver: 100W Power --- The BT stereo amplifier receiver provides 50W+50W dual channel stereo output... ... more

HA800S Headphone Amplifier 8 Channels Mono/Stereo Metal Stereo Headphone Amps Audio Amp. Ultra-compact 8-Channel Mini Audio Stereo Microphone AMP. with Power Adapter This 8-channel stereo headphone amplifier is designed for use with all types of... ... more

HIFI BT5.0 Digital Amplifier Mini Stereo Audio Amp 100W Dual Channel Sound Power Audio Receiver Stereo AMP USB AUX for Home Theater USB TF Card Player Sliver: High Sound Quality --- Class D Hi-Fi Clear and high sound quality with no background noise... ... more

HA800S Headphone Amplifier 8 Channels Mono/Stereo Metal Stereo Headphone Amps Audio Amp. Ultra-compact 8-Channel Mini Audio Stereo Microphone AMP. with Power Adapter The of each output channel can be independently controlled. Ultra compact stereo... ... more

AK170 Audio Power Amplifier Portable Sound Amplifier Speaker Amp for Car and Home This audio amplifiers is small in size and easy to operate you can use the audio amplifier at home and carrying the audio amplifier to your car is also very convenient.... ... more

AK270 Mini Audio 2-Channel Stereo Power Amplifier Portable Sound Amplifier AUX Input Speaker Amp for Car and Home This audio amplifier is small in size and easy to operate you can use it at home and carrying it to your car is also very convenient.... ... more

30W 3-28MHz Shortwave Power Amplifier Board CW SSB Linear High Frequency Power Amplifier Finished Board A shortwave amplifier board is an important piece of equipment used in radio communications. It is mainly used to enhance the power of shortwave... ... more