The Behringer MicroAMP HA400 is a very inexpensive, miniature 4-channel headphone amplifier. for stage or project studio use. The unit is equipped with separate operational amplifiers for each channel, and individual channel level controls.
| Number of Channels | 4 |
| Input Connections | 1 x 1/4" TRS Phone |
| Output Connectors | 4 x 1/4" TRS Phone |
| Maximum Output Level | approx. 40 mW into 100 Ohms |
| Function Controls | 4 x Level Knobs |
| Frequency Response | 20 Hz - 20 kHz |
| THD + N | Not Specified by Manufacturer |
| Noise | Not Specified by Manufacturer |
| Power Supply | DC 12V adapter included |
| Display | No |
| Dimensions | 4.1 x 2.25 x 1.8" (103.6 x 57.2 x 46.5mm) |
| Weight | (190 g) |
| Specialties | Miniature 4-Channel Headphone Amplifier Individual Channel Level Controls |
