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The Muslady HA400 is a metal-bodied 4-channel stereo headphone amp that takes one input and splits it to four outputs, each with its own volume knob. It uses a 4580 op-amp for low-noise output and ships with a DC power adapter. It suits small studios, bands and podcast setups that need several listeners on one source. Against the Behringer HA400 it copies, it is a cheaper-feeling alternative with the same basic layout; owners of both report similar function but note the Muslady's lighter build and noisier knobs at low levels.
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Owners treat the HA400 as a cheap way to give four people their own headphone volume from one source. Most say it does that job without audible noise at sensible levels, but several note scratchy knobs and a plasticky feel next to the Behringer version.
The Muslady HA400 is an ultra-compact stereo headphone amplifier for studio and stage use. It has 1 input channel and 4 headphone output channels, so several people can monitor the same signal at once.
Each output channel has its own independent control. The amplifier uses an ultra-low-noise 4580 operational amplifier. It comes with a DC power adapter and has a metal body.
