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The HA400 is a compact stereo headphone amplifierfeaturing four discrete channels with individualvolume controls. This allows each user to adjust the output level to their headphones at the most comfortable sound level.
The high power output provides the best sonic quality, even at high volume levels. Ideal for recording and broadcast use. All headphone connections are 1/4" TRS (stereo) jacks and includes a12VDC power supply.
SPECIFICATIONS:
Frequency Response:20Hz ? 20KHz
S/N Ratio:>110dBA
Maximum Input Level:+15dBu
Output Impedance: 80 ohms
Output Power: 40mW