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Rockford Fosgate Punch PM400x4 4-channel amplifier

Rockford Fosgate Punch PM400x4 4-channel amplifier

  • 400-watt 4-channel amplifier, Class A/B technology, marine application.
  • RMS power: 50W x 4 @ 4-ohm, 100W x 4 @ 2-ohm, 200W bridged.
  • Built-in punch EQ, short circuit protection, stealth control panel.
  • Mehr technische Details
€499,00
€499,00 €499,00
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Punch PM400x4 by Rockford Fosgate

The PM400X4 is a 400-watt 4-channel amplifier with high dynamic power in Class A/B technology and a conformally coated circuit board, designed for motorsport and marine applications.

Technical Features
  • High-level capable input with auto turn-on circuit
  • Features of C.L.E.A.N. Attitude
  • 12dB/Octave Butterworth Crossover
  • Built-in punch EQ with +18dB boost at 45Hz
  • Damped Switching
  • Cast aluminum heat sink
  • Stealth control panel on the top
  • short-circuit protection
  • Overcurrent protection
  • Hardware made of marine-grade stainless steel
  • Two-component epoxy coating of circuit boards in marine quality
Specifications
  • Number of channels 4
  • Total power (sum of rated power) 400 watts
  • Rated power (RMS continuous power)
  • 50 Watt x 4 @ 4-Ohm
  • 100 Watt x 4 @ 2-Ohm
  • 200 Watts x 2 @ 4-Ohm bridged
  • Dynamic Performance (PVC/PowerCube®)
  • 82 Watt x 4 @ 4-Ohm
  • 137 Watt x 4 @ 2-Ohm
  • 266 Watts x 2 @ 4-Ohm bridged
  • Bridgable Yes
  • Frequency response 20Hz to 20kHz +/- 1.0dB
  • Input sensitivity 150 mV - 12 V
  • Class A/B Circuit Topology
  • Efficiency (average) 67% @ 4-Ohm
  • Total Harmonic Distortion (THD+Noise)
  • 4-Ohm: <1.0%
  • 2-Ohm: <1.0%
  • Signal input high/low level: 2 RCA pairs
  • Sound controller Front Punch EQ2 Bass: 0dB to +18dB at 45Hz and/or
  • Front Punch EQ2 Treble: 0dB to +12dB @ 12.5kHz
  • Rear Punch EQ2 Bass: 0 dB to +18 dB at 45 Hz and/or
  • Rear Punch EQ2 Treble: 0dB to +12dB @ 12.5kHz
  • Function depends on the position of the LP/AP/HP switch.
  • Crossover Controller Front High Pass/Low Pass (HP/LP): 50Hz-250Hz @ 12dB/Octave Butterworth
  • Rear High-pass/Low-pass (HP/LP): 50Hz-250Hz @ 12dB/Octave Butterworth
  • All-Pass: Yes
  • Optical Indicators Power/Protect/Thermal LED
  • Input Clip LED 3
  • Output Clip LED 1,2,3
  • LED Color Legend:
  • 1BLAU: <0.5% THD
  • 2VIOLETT: 1% THD
  • 3ROT: 10%+ THD
  • Power connections 10mm² - 25mm²
  • Network input connection fixed C-clamp
  • Speaker cable cross-section 1mm²-10mm²
  • Speaker output connection captive C-clamp
  • heat sink
  • Operating voltage 9 - 16 VDC
  • Recommended fuse (not included) 60 A
  • Average current consumption (13.8 V music) 30 A
  • Max. current consumption (13.8 V sine wave) 60 A
  • Recommended alternator 75 A
  • Dimensions (H x W x D) 6.05 x 19.71 x 28.02 (cm)
  • Shipping weight: 4.89 kg

Frequent questions about Punch PM400x4

Welche Leistungsdaten hat der Rockford Fosgate Punch PM400x4 Verstärker?

The Rockford Fosgate Punch PM400x4 delivers a total of 400 watts, with the amplifier operating in Class A/B technology. Specifically, it offers 50 watts per channel at 4 ohms, and even 100 watts at 2 ohms. The amplifier can also be bridged to provide 200 watts at 4 ohms. Additionally, it has a dynamic power of 82 watts per channel at 4 ohms, 137 watts per channel at 2 ohms, and 266 watts bridged at 4 ohms. This performance is ideal for motorsport and marine applications, especially due to the high dynamic power that enables powerful audio playback.

Welche Frequenzweichen sind im PM400x4 integriert?

The Rockford Fosgate Punch PM400x4 is equipped with 12dB/octave Butterworth crossovers that can function as both high-pass and low-pass filters. For the front and rear channels, the frequency range can be adjusted from 50Hz to 250Hz, allowing for precise tuning of the sound image. Additionally, there is the option to operate the amplifier in all-pass mode. Along with the bridging options, this facilitates integration into various audio systems, enabling you to optimally control both bass and treble reproduction to achieve a balanced sound profile.

Welche Schutzmechanismen bietet der Punch PM400x4 Verstärker?

The Rockford Fosgate Punch PM400x4 is equipped with a comprehensive protection system that includes both short circuit protection and overcurrent protection. These mechanisms effectively protect the amplifier and the speakers from electrical damage. Furthermore, the PM400x4 features optical indicators for monitoring operational status. This includes LED indicators for power, protection, and thermal overload, as well as clip LEDs that light up when certain distortion thresholds are reached. These protection functions are crucial for operating the amplifier stably and safely under various load conditions.

Wie wird der PM400x4 hinsichtlich der Verstärkertopologie kategorisiert?

The Rockford Fosgate Punch PM400x4 operates with Class A/B amplifier topology, which combines features of both Class A and Class B. This topology is known for its excellent sound quality as well as its efficiency compared to pure Class A amplifiers. With an average efficiency of 67% at 4 ohms, this topology represents a good compromise between sound quality and operational efficiency. This allows for a clear and dynamic sound output that exhibits negligible distortion at higher volumes. This is particularly useful when you have high sound requirements.

Was sind die Dimensionen des Rockford Fosgate PM400x4 und wie beeinflussen sie die Installation?

The Rockford Fosgate Punch PM400x4 measures 6.05 cm in height, 19.71 cm in width, and 28.02 cm in depth. These compact dimensions allow the amplifier to be installed in a variety of vehicles, whether in a motorboat, race car, or regular road vehicle. Installation is facilitated by marine-grade stainless steel hardware that provides corrosion resistance. The size of the amplifier is ideal for use in limited space conditions, yet it remains powerful enough to meet high audio demands and allow for a clean installation.

Wie beeinflusst die Eingangsempfindlichkeit die Funktion des PM400x4?

The Rockford Fosgate PM400x4 offers an input sensitivity of 150 mV to 12 V, making integration with a variety of audio systems easier. This flexibility allows for the efficient use of both high-level and low-level signals. The Auto Turn-On circuit automatically activates the amplifier when an audio signal is detected, enhancing user convenience, especially when used in automated or hard-to-reach installations. This wide input range compatibility also ensures that the amplifier optimally complements both modern and older audio systems, which is particularly important with diverse output device types.

Welche Funktionen bietet der integrierte Punch-EQ im PM400x4?

The built-in Punch EQ of the Rockford Fosgate PM400x4 offers up to +18dB bass boost at 45Hz and up to +12dB boost for highs at 12.5kHz. Through separate EQ settings for front and rear, you can individually adjust the sound profile. Additionally, you can choose between different operating modes by positioning the LP/AP/HP switches. This allows the sound to be optimally tailored to your musical preferences. The Punch EQ thus enables a customized audio playback that is ideal for bass lovers and discerning audio listeners who value a balanced sound spectrum.

Was sind die einzigartigen Materialien des PM400x4, die ihn für spezialisierte Anwendungen auszeichnen?

The Rockford Fosgate Punch PM400x4 uses a two-component epoxy coating on the circuit boards in marine quality, making it resistant to environmental influences such as moisture and corrosion. The cast aluminum heat sink additionally provides passive cooling to maintain an optimal operating temperature. These specific materials are particularly valuable when the amplifier is used in harsh conditions, such as in motorsport or marine scenarios. Additionally, the stainless steel components ensure durability and reliability in humid or saline environments, further emphasizing its suitability for specialized applications.

Welche Bedeutung hat die Kühlung beim Rockford Fosgate PM400x4?

The cooling of the Rockford Fosgate PM400x4 is ensured by a cast aluminum heat sink that supports efficient heat dissipation. This is crucial to protect the amplifier from thermal overload and to maximize the lifespan of the internal components at high power. The damped power-on function also prevents voltage spikes that could cause additional thermal stress. Especially under high power demands, such as in motorsport or marine applications, effective cooling is essential to ensure consistent performance and to keep the sound clear and distortion-free even at full load.

Welche Stromanforderungen stellt der PM400x4 und wie beeinflusst das die Installation?

The Rockford Fosgate Punch PM400x4 requires an operating voltage of 9 to 16 VDC and a recommended fuse of 60 A, which ensures stable performance. The current draw varies depending on usage and load, averaging 30 A with music and reaching a maximum of 60 A with a sine wave. Therefore, an alternator with at least 75 A should be used to easily meet the requirements. These current requirements are important for the amplifier to operate reliably and stay within its intended power range, especially in installations in vehicles with specialized electrical demands.

Herstellerinformation/verantwortliche 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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