... (20dB) and variable EQ(18dB), reverse upgrade, 117 dBuV, House amplifier, CSP8020A-R 1-output, -30dB test point, variabel ATT(20dB ... -xx-01.2 Changing of plug-ins without demounting the amplifier by easily removing the cover.3 Supplied with plug-in ... -in adjustable gain & slope regulators.6 Metal plastic housing for indoor mounting.7Output test point