Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Driver Unit Model No. | Release Year | Output Voltage (RMS) | Inputs | Outputs | Notes |
| --- | --- | --- | --- | --- | --- |
| SRM-001 | 1995.0 | 240V | 1x Miniplug | 1x Pro Bias, Special 6 Pin | Solid state, battery operated for portable use |
| SRM-300 / SRM-310 | 2003.0 | 350V | 1x RCA | 2x Pro Bias, RCA Loop Out | Solid state, styled as an earspeaker stand |
| SRM-252A / SRM-252II | 2006.0 | 280V | 1x RCA | 1x Pro Bias, RCA Loop Out | Solid state |
| SRM-323A / SRM-323II | 2006.0 | 400V | 2x RCA | 2x Pro Bias, RCA Loop Out | Solid state |
| SRM-323S | 2010.0 | 400V | 2x RCA | 2x Pro Bias, RCA Loop Out | Solid state |
| SRM-727A | 2006.0 | 450V | 1x Balanced XLR, 2x RCA | 2x Pro Bias, RCA Loop Out | Solid state |
| SRM-727II | 2007.0 | 450V | 1x Balanced XLR, 1x RCA | 2x Pro Bias, RCA Loop Out | Solid state |
| SRM-006tA / SRM-006tII | 2006.0 | 300V | 1x Balanced XLR, 2x RCA | 2x Pro Bias, RCA Loop Out | Vacuum tube (2x 6FQ7/6CG7) / Solid state hybrid |
| SRM-006tS | 2010.0 | 300V | 1x Balanced XLR, 2x RCA | 2x Pro Bias, RCA Loop Out | Vacuum tube |
| SRM-007tA / SRM-007tII | 2006.0 | 340V | 1x Balanced XLR, 3x RCA | 2x Pro Bias, RCA Loop Out | Vacuum tube (4x 6FQ7/6CG7) / Solid state hybrid |
| SRM-600 Limited | 2009.0 | 340V | 1x Balanced XLR, 3x RCA | 2x Pro Bias, RCA Loop Out | Vacuum tube (2x ECC99) / Solid state hybrid |
Question:
How many outputs are there for solid state, battery operated for portable use listed in notes?
Answer:
1.0