The TR3xxx offers a range of line transformers with a power ranging from 30 Watt up to 480 Watt. There are different taps available for 50V, 70V and 100V lines and the low impedance side is selectable between 2 Ohm, 4 Ohm and 8 Ohm.
| Peak power handling | 480 W |
| Program power handling | 240 W |
| Connectors | 7.87 " cable |
| Dimensions | 5.12 x 2.56 x 5.12 " (W x H x D) |
| Weight | 9.92 lb |
| Construction | Copper |
