| Name | Notes | Retail | Average |
|---|---|---|---|
| ATT-Q | passive attenuator | ||
| ATT-S | passive attenuator, 5 ins, 12 lbs | ||
| LCR-X1 | mm-mc | ||
| PR-X1 | linestage, remote |
| Name | Notes | Retail | Average |
|---|---|---|---|
| LCR-X2 | 3 chassis, mm-mc, 65 lbs | ||
| PR-T1 | transformer coupled, 69 lbs | ||
| PR-Z1 | ext power supply, 5 ins, 40 lbs |