HA400 Ultra-Compact Stereo Amplifier Earphone Amp for Music 4 Channels

Product Features:
The HA400 is an ultra-compact stereo amplifier that's perfect for driving headphones or small speakers. It features four channels of amplification, each with its own volume control, making it ideal for use with multi-channel audio sources. The HA400 is also incredibly easy to use, with just a few simple controls that make it easy to get great sound in seconds.
Features:

• 4 channels of amplification, each with its own volume control
• Ultra-compact design that's perfect for desktop use or travel
• 3.5mm stereo input and output jacks
• Powered by a USB cable (included)

Benefits:

• The HA400 is the perfect way to get great sound from your headphones or small speakers.
• With its four channels of amplification, you can easily create a custom listening experience that's perfect for your needs.
• The HA400 is also incredibly easy to use, with just a few simple controls that make it easy to get great sound in seconds.

Specifications:

• Frequency response: 20Hz-20kHz
• Output power: 200mW per channel
• Power supply: USB cable (included)
• Dimensions: 3.9" x 2.4" x 0.9" (100mm x 60mm x 22mm)
• Weight: 4.2oz (120g)

Included:

• HA400 Ultra-Compact Stereo Amplifier Earphone Amp for Music 4 Channels
• USB cable

Reviews:

• Amazon.com
• Sweetwater.com

Conclusion: The HA400 is a great choice for anyone who wants to get great sound from their headphones or small speakers. It's ultra-compact design and easy-to-use controls make it a great choice for desktop use or travel.