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  3. 8 inch flat subwoofer for car
  5. Punch P3SD2-8 / P3SD4-8
Rockford Fosgate Punch P3SD2-8 / P3SD4-8 8" (20cm) Flat Subwoofer
150 Watt
Rockford Fosgate

Punch P3SD2-8 / P3SD4-8

8" (20cm) Flat Subwoofer

Technical Highlights

  • RMS power of 150 watts, maximum power 300 watts.
  • Impedance variable with dual 2-ohm or dual 4-ohm possible.
  • Depth of only 67.5 mm, ideal for limited mounting spaces.
  • More technical details
€219,00
€219,00 €219,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
Impedance: D2 (2x2 Ohm)
Delivery
Apr 11, - Apr 14,
x Piece
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The Rockford Fosgate Punch P3SD2-8 / P3SD4-8 is a black, round 8 low-profile subwoofer with 150W RMS and a wide ridged edge, shown against a white background.
€219,00
€219,00 €219,00

Punch P3SD2-8 / P3SD4-8 by Rockford Fosgate

Punch P3SD2-8 / P3SD4-8 is an 8 inch 20 cm flat subwoofer from Rockford Fosgate with 150 watts RMS and 300 watts maximum power. The voice coil is available as D2 2x2 Ohm or D4 2x4 Ohm. The construction includes an M-Roll Santoprene surround, a StampCast basket with integrated spider ventilation, an anodized aluminum cone with dust cap, and a diamond-cut trim ring made of aluminum die-cast with optional grille. A dual linear spider with embedded 16 AWG lead wires and a mounting depth of 67.5 mm are integrated. The subwoofer is optimized for sealed and vented enclosures. Additional specifications include a voice coil diameter of 51.6 mm, a woofer displacement of 1.15 liters, a cutout diameter of 181 mm, a magnet weight of 1.06 kg, and a shipping weight of 4.01 kg.

Features
  • 8 inch 20 cm flat subwoofer
  • Dual voice coil, available as D2 2x2 Ohm and D4 2x4 Ohm
  • M-Roll Santoprene surround
  • StampCast basket with integrated spider ventilation
  • Anodized aluminum cone and dust cap
  • Diamond-cut trim ring made of aluminum die-cast with optional grille
  • Dual linear spider with embedded 16 AWG lead wires
  • Flat motor design
  • Optimized for sealed and vented enclosures
Technical specifications
  • Power handling RMS 150 watts
  • Power handling max 300 watts
  • Mounting depth 67.5 mm
  • Magnet weight 1.06 kg
  • Voice coil diameter 51.6 mm
  • Displacement of the woofer 1.15 liters
  • Cutout diameter 181 mm
  • Shipping weight 4.01 kg
  • D2 2x2 Ohm variant
    • Nominal impedance dual 2 Ohm
    • Voice coil type dual voice coil
    • SPL 82 dB 1 W/1 m
    • Qms 5.0
    • Vas 15.8 liters
    • Re 3.2 Ohm
    • Le 0.9 mH
    • Qts 0.72
    • Qes 0.837
    • Xmax 8.3 mm
    • Fs 38 Hz
    • Sd 220 cm²
    • Sealed enclosure volume 7.0 liters
    • Bass reflex enclosure volume 21.2 liters
  • D4 2x4 Ohm variant
    • Nominal impedance dual 4 Ohm
    • Voice coil type dual voice coil
    • SPL 82 dB 1 W/1 m
    • Qes 1.05
    • Vas 15.8 liters
    • Fs 39 Hz
    • Qts 0.87
    • Qms 5.0
    • Xmax 8.5 mm
    • Re 6.0 Ohm
    • Le 1.46 mH
    • Sd 220 cm²
    • Sealed enclosure volume 7.0 liters
    • Bass reflex enclosure volume 21.2 liters

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Frequently Asked Questions about Punch P3SD2-8 / P3SD4-8

What is the installation depth of the Punch P3SD2-8?

The Rockford Fosgate Punch P3SD2-8 Subwoofer has an installation depth of only 67.5 mm. This shallow depth is perfect for vehicles with limited installation space. Despite the reduced depth, the subwoofer delivers real bass performance and is optimized for both sealed and vented enclosures. The special design of the flat motor structure allows for this compact size without compromising sound quality. When installing, the cutout diameter of 181 mm should be considered to ensure a precise fit. The subwoofer is excellent for small mounting spaces and provides reliable bass.

How do the Punch P3SD2-8 and P3SD4-8 variants differ in impedance?

The main differences between the Punch P3SD2-8 and P3SD4-8 variants lie in their impedance. The P3SD2-8 has a dual 2-ohm nominal impedance, while the P3SD4-8 is equipped with a dual 4-ohm nominal impedance. These impedance values affect the configuration options during installation and adaptation to different amplifier systems. Both variants use a dual voice coil, providing flexible connection options to ensure optimal performance depending on the application. You should choose the impedance of the subwoofer according to your amplifier power to achieve ideal performance and integrate the subwoofer optimally into your system.

What is the power handling of the Punch P3SD2-8 Subwoofer?

The power handling of the Rockford Fosgate Punch P3SD2-8 Subwoofer is impressive, rated at 150 watts RMS and up to 300 watts maximum power handling. These power limits ensure that the subwoofer delivers consistent and high-quality bass even at high volumes, without distortion or overload. Especially if you enjoy listening to music loudly and want to enjoy deep bass without compromise, this subwoofer offers solid performance and consistency. The performance of the P3SD2-8 should be used with a suitable amplifier to fully utilize its potential and maximize the sound experience.

What are the Thiele Small parameters of the Punch P3SD2-8?

The Thiele Small parameters of the Punch P3SD2-8 are crucial for the behavior of the Subwoofer in different enclosure types. With a Qms of 5.0 and a Qts of 0.72, it shows efficiency in both vented and sealed enclosures. The Vas value of 15.8 liters indicates the enclosure size needed for balanced bass reproduction. The Fs value of 38 Hz shows that the Subwoofer can reproduce lower frequencies without significant power loss. The Xmax of 8.3 mm also allows for high membrane displacement, resulting in intense bass output.

What is the displacement of the Punch P3SD2-8 woofer?

The displacement of the woofer in the Rockford Fosgate Punch P3SD2-8 is 1.15 liters. This displacement is a critical factor in planning and installation in an enclosure, as it affects and modifies the internal volume of an enclosure. This displacement should be considered when calculating the required enclosure volume, especially if you want to build a custom enclosure to optimally tune the Subwoofer. A correctly calculated volume is essential to properly implement the bass reflex or sealed enclosure configuration and achieve the best possible sound quality.

Is the Punch P3SD2-8 suitable for sealed or vented enclosures?

The Rockford Fosgate Punch P3SD2-8 is optimized for both sealed and vented enclosures, making it extremely versatile. The recommended volume for a sealed enclosure is 7.0 liters and for a bass reflex enclosure, it is 21.2 liters. These specifications ensure that the Subwoofer performs excellently in both types of enclosures and delivers deep, resonance-free bass. The choice of enclosure type depends on your personal sound preferences. Sealed enclosures provide precise, tight bass, while bass reflex technology produces a stronger, more resonant sound, ideal for various musical genres.

What materials are used for the Punch P3SD2-8?

The Rockford Fosgate Punch P3SD2-8 Subwoofer uses high-quality materials to provide durable and reliable performance. The M-Roll Santoprene™ surround gives the Subwoofer flexibility and robustness, ideal for long-lasting bass reproduction. The anodized aluminum cone and aluminum dust cap ensure lightweight yet strong components that remain stable even under intense applications. Additionally, the Subwoofer is equipped with a StampCast basket that features integrated spider ventilation. These material combinations are precisely chosen to optimize the acoustic performance and durability of the Subwoofer, ensuring outstanding sound quality.

Which voice coil does the Punch P3SD2-8 use?

The Punch P3SD2-8 from Rockford Fosgate is equipped with a dual voice coil with a diameter of 51.6 mm. This dual voice coil architecture allows the Subwoofer to be wired both in series and parallel, providing flexible connection options for various Amplifiers. This offers increased flexibility for electrical integration into your sound system. A voice coil diameter of 51.6 mm ensures that there are no overheating issues even under higher power consumption. These features make the Punch P3SD2-8 exceptionally suitable for versatile applications in different vehicle audio systems.

What mounting features does the Punch P3SD2-8 have?

The Rockford Fosgate Punch P3SD2-8 includes several mounting features that facilitate installation and optimize overall performance. The diamond-cut aluminum die-cast ring not only provides an attractive appearance but also structural integrity and can optionally be expanded with a Grille to offer additional protection for the diaphragm. The built-in 16 AWG terminal wires in the spider mirror architecture ensure reliable power delivery even under intense operation. These construction features are particularly useful when you want to install a Subwoofer in your vehicle that is both functionally robust and aesthetically pleasing.

What SPL performance does the Punch P3SD2-8 deliver?

The Rockford Fosgate Punch P3SD2-8 has an SPL (Sound Pressure Level) performance of 82 dB @ 1w/1m. This value indicates how efficiently the Subwoofer converts sound energy into audible volume. An SPL of 82 dB means that the Subwoofer can deliver remarkably efficient bass, which is especially beneficial when you want to achieve a full soundstage in your vehicle without sacrificing uncompromising volume. This performance makes the Punch P3SD2-8 an excellent choice for audiophiles seeking powerful bass performance in compact mounting spaces without compromising sound quality.

Manufacturer information / responsible person

Audio Design Loudspeaker Sales GmbH
Am Breilingsweg 3
76709 Kronau
Germany

Authorized Managing Director:
Bruno Dammert

Contact: info@audiodesign.de

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