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Punch P1S2-15 / P1S4-15
Technical Highlights
- Power handling RMS 250 watts, impedance 2 ohms or 4 ohms.
- Kevlar fiber reinforced paper cone, VAST technology.
- StampCast basket, integrated spider vent, ABS trim ring.
- More technical details
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Punch P1S2-15 / P1S4-15 by Rockford Fosgate
Punch P1S2-15 / P1S4-15 is a 15-inch (38 cm) Subwoofer from Rockford Fosgate. The nominal power handling is 250 Watts RMS, with a peak power handling of 500 Watts, available as a single voice coil with 2 Ohms or 4 Ohms. Kevlar fiber-reinforced paper cone and VAST technology to increase the diaphragm area by up to 25%. Linear spider with embedded 4 mm² lead wires, high-temperature voice coil with spun Nomex reinforcement collar, StampCast basket with integrated spider ventilation, and custom 10-AWG nickel-plated push terminals. Extended pole shoe, compressed and ventilated back plate, protective textured PVC magnet cover, and soft-touch ABS trim ring. Technical specifications include a voice coil diameter of 51.6 mm, magnet weight 1.70 kg, mounting depth 177.2 mm, cutout diameter 351.8 mm, displacement of the woofer 4.2 liters, and shipping weight 7.98 kg. Acoustic parameters: Fs 23 Hz, Qts 0.55, Vas 191.5 liters, Sd 876 cm², Xmax 9.0 mm, sound pressure 87 dB at 1 W/1 m and 90 dB at 2.8 V/1 m, recommended enclosure volume sealed 44.7 liters and bass reflex 75.3 liters.
- 15-inch (38 cm) Subwoofer
- Power handling RMS 250 Watts
- Power handling Max 500 Watts
- Available in single 2 Ohm and single 4 Ohm impedance
- Kevlar fiber-reinforced paper cone
- VAST technology to increase the diaphragm area by up to 25%
- Linear spider with embedded 4 mm² lead wires
- High-temperature voice coil with spun Nomex reinforcement collar
- StampCast basket with integrated spider ventilation
- Rubberized ABS trim ring with optional Grille, soft-touch
- Custom 10-AWG nickel-plated push terminals
- Extended pole shoe and compressed, ventilated back plate
- Protective, textured PVC magnet cover
- Voice coil diameter 51.6 mm
- Magnet weight 1.70 kg
- Mounting depth 177.2 mm
- Cutout diameter 351.8 mm
- Displacement of the woofer 4.2 liters
- Shipping weight 7.98 kg
- Fs 23 Hz
- Qts 0.55
- Vas 191.5 liters
- Sd 876 cm²
- Xmax 9.0 mm
- SPL 87 dB at 1 W/1 m
- SPL 90 dB at 2.8 V/1 m
- Sealed enclosure volume 44.7 liters
- Bass reflex enclosure volume 75.3 liters
- 2 Ohm variant:
- Nominal impedance 2 Ohms
- Voice coil type single voice coil
- Re 1.8 Ohms
- Qes 0.80
- Qms 3.46
- Le 1.12 mH
- 4 Ohm variant:
- Nominal impedance 4 Ohms
- Re 3.60 Ohms
- Qes 0.62
- Qms 3.20
- Le 3.14 mH

