| MODEL | Central Frequency(Hz) | Low Cut Filter | Range (Optional) | Weight |
| SEQ-1502 | 25, 40, 63, 100, 160, 250, 400, 630, 1k,1.6k, 2.5k, 4k, 6.3k, 10k, 16k, (Hz) | 40Hz built in jumper (-12 dB/oct) | ±6dB/±15dB (switchable) | 2.5kg |
| SEQ-3102 | 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800,1k, 1.25k, 1.6k, 2k, 2.5k, 3.15k, 4k, 5k,6.3k, 8k, 10k, 12.5k, 16k, 20k(Hz) | 40Hz (-12 dB/oct) | ±6dB/±15dB(switchable) | 3kg |
| SEQ-3103 | 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1k, 1.25k, 1.6k, 2k, 2.5k, 3.15k, 4k, 5k, 6.3k, 8k, 10k, 12.5k, 16k, 20k(Hz) | 12Hz-285Hz (-12 dB/oct) | ±6dB/±15dB(switchable) | 4.0kg |