Headphone Amplifier FAQ
Headphone amplifiers are small power amplifiers designed to boost headphones rather than speakers. Headphone amps can provide better sound quality than conventional headphones most of the time. They are preferred by audiophiles, sound engineers and musicians for their quality and convenience. Headphone amps typically are about the same size as normal headphones, but have additional components.
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What is the Difference between Headphone Amplifiers and Regular Headphones?
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Headphone amps differ from headphones because they contain a power amplifier. Power amplifiers take a guitar signal and increase the power of the signal. This power increase raises the volume to the point that it reaches audible levels once sent to the speaker. Regular headphones do not have a power amplifier. The power amplification must occur in another device before the audio signal is sent to regular headphones.
Why Use a Headphone Amplifier?
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There are two major reasons a headphone amplifier is used. Audiophiles and sound engineers frequently use headphone amps in place of regular headphones because the sound quality of headphone amps is usually better. Musicians who play electrical instruments use headphone amps as portable practice amps. The second reason for using a headphone amp is convenience. A traveling musician doesn't want to carry around a much bulkier practice amp.
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Do Headphone Amplifiers Sound as Good as a Normal Loudspeaker Amplifier?
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Headphone amps do not sound as good as an equivalent quality, loudspeaker amp. Higher-quality headphone amps might sound better than a loudspeaker amp, but this usually requires a substantial gap in quality between the two types of amplifiers.
Should I Get Headphone Amplifiers?
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Most musicians who specialize in electrical instruments should get a pair of headphone amps. The practice versions are inexpensive. Headphone amps are quite useful for a musician who needs to practice quietly or while traveling. For audiophiles and sound engineers the issue is a bit more complex. Headphone amplifiers cost more than normal headphones and do not always provide better sound quality. Higher quality sound equipment often does not benefit from the extra power amplification. Sound engineers with a large number of headphones set up simultaneously often will use them to decrease the drain that regular headphones have on an audio signal. Audiophiles should test headphone amps with their equipment to decide if they are an improvement.
What is the Difference Between Rack-Mounted and Musician Headphone Amplifiers?
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Headphone amplifiers used by audiophiles and sound engineers normally are much more expensive than a musician's headphone amplifier because they have a rack-mounted box that the headphones are plugged into. Musician's headphone amps are smaller because they are expected to only provide decent enough sound for the musician to practice.
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