- Rugged, versatile enclosures
- Full Integration into Audio Architect
- Maximum SPL Output: 145dB
- System Type: Passive 18”, subwoofer
- Frequency Range (-10dB): 20Hz - 165Hz
- Frequency Response (- 3dB): 40Hz -170Hz
- Indexing feet for stacking and cardioid deployment

PSTX-615s is a 15-inch passive bass with a sound pressure of 112dB@1M with a frequency range of 20Hz to 195Hz.

System power rating is 1150W peak, 950W program, 550W RMS, impedance rating is 8 ohms; the crossover frequency is 75Hz.

Made with 18mm plywood.

- Small volume and large energy
- High-pitched and delicate
- The intermediate frequency is supple
- Great power
- Sharp and delicate
- Intermediate frequency is flexible

- High power, reliability and performance
- Black paint finishes
- Dual 15-inch plywood speaker
-Bi-amplified or full-range passive operation.