Vehicle Search

  3. All Car Audio Bestsellers
  5. Punch P400X4
Rockford Fosgate Punch P400X4 4-Channel Amplifier
SKU:  P400X4
EAN:  4251950323848
100 Watt

Punch P400X4

SKU:  P400X4
EAN:  4251950323848

Technical Highlights

  • 4-channel amplifier with 50W RMS power per channel at 4 ohms.
  • Highly efficient Class A/B circuit for warm sound.
  • Built-in punch EQ with +18dB boost at 45Hz.
  • More technical details
00 d
00 h
00 m
00 s
€329,00
-6% €349,00 €329,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Delivery
Jun 5, - Jun 8,
x piece
  • American Express
  • Apple Pay
  • Bancontact
  • BLIK
  • EPS
  • Google Pay
  • iDEAL Wero
  • Maestro
  • Mastercard
  • MobilePay
  • PayPal
  • Shop Pay
  • Twint
  • Union Pay
  • Visa
Klarna Pay conveniently in 12 interest-free installments at €27,41 with Klarna .

Your benefits at Masori

Seen cheaper elsewhere?

Shipping cost calculator

Expert Image

Rob

Expert Image

Max

Unsure if this product fits your car?

We help you – quickly, personally, and without obligation.

Response on weekdays within 24 hours
Rockford FosgatePunch P600X4
A black Rockford Fosgate Punch P600X4 car amplifier with a sleek rectangular design and vented sides, shown at an angle.
A black Rockford Fosgate Punch P1000X2 2-channel amplifier with visible input and output ports, shown at an angle on a white background.
Rockford FosgatePunch P1000X2
Rockford Fosgate-Punch P400X4-4-Kanal Verstärker-masori-kaufen
€329,00
€349,00 €329,00

Punch P400X4 by Rockford Fosgate

The Punch P400X4 is a 4-Channel Amplifier from Rockford Fosgate with Class A/B topology and an average efficiency of 67%. The RMS power is 50 W x 4 at 4 Ohm, 100 W x 4 at 2 Ohm, and 200 W x 2 at 4 Ohm bridged; the dynamic power is 82 W x 4 at 4 Ohm, 137 W x 4 at 2 Ohm, and 266 W x 2 at 4 Ohm bridged. The frequency response ranges from 20 Hz to 20 kHz (±1.0 dB), the input sensitivity is from 150 mV to 12 V, and the signal input is via high/low level with 2 RCA pairs. Features include a high-level input with auto turn-on circuit, C.L.E.A.N. setting, soft start, stealth control panel on the top, and optical power/protection/thermal LEDs. The integrated Crossover operates at 12 dB/octave according to Butterworth, both front and rear as high-pass/low-pass from 50–250 Hz; the built-in Punch EQ allows for bass boost up to +18 dB at 45 Hz and treble boost up to +12 dB at 12.5 kHz (front/rear, depending on the LP/AP/HP switch). Protection circuits against short circuit and overcurrent are included. Cooling is via cast aluminum heat sink by convection. The operating voltage is 9–16 VDC, the recommended Fuse is 60 A; the average current draw is 30 A (13.8 V music), maximum 60 A (13.8 V sine). Dimensions: 6.05 x 19.71 x 28.02 cm (H x W x D); cable diameter 10 mm², speaker cable 8 mm²; shipping weight 4.89 kg. Bridgeable: Yes.

Features
  • 4-Channel Amplifier
  • Bridgeable: Yes
  • Circuit topology: Class A/B
  • High-level input with auto turn-on circuit
  • C.L.E.A.N. setting
  • 12 dB/octave Butterworth Crossover (front/rear, HP/LP)
  • Built-in Punch EQ: Bass up to +18 dB @ 45 Hz, Treble up to +12 dB @ 12.5 kHz
  • Soft start
  • Stealth control panel on the top
  • Short circuit protection
  • Overcurrent protection
  • Optical indicators: Power/Protection/Thermal LED
  • Signal inputs: High/Low level, 2 RCA pairs
  • Operating voltage: 9–16 VDC
  • Efficiency (Average): 67%
  • Dimensions (H x W x D): 6.05 x 19.71 x 28.02 cm
  • Recommended Fuse: 60 A
  • Cable diameter: 10 mm²
  • Speaker cable diameter: 8 mm²
  • Average current draw (13.8 V music): 30 A
  • Maximum current draw (13.8 V sine): 60 A
  • Cast aluminum heat sink
  • Shipping weight: 4.89 kg
Technical Specifications
  • RMS Power: 50 W x 4 @ 4 Ohm
  • RMS Power: 100 W x 4 @ 2 Ohm
  • RMS Power: 200 W x 2 @ 4 Ohm (bridged)
  • Dynamic Power: 82 W x 4 @ 4 Ohm
  • Dynamic Power: 137 W x 4 @ 2 Ohm
  • Dynamic Power: 266 W x 2 @ 4 Ohm (bridged)
  • Frequency response: 20 Hz – 20 kHz ±1.0 dB
  • Input sensitivity: 150 mV – 12 V
  • Front high-pass/low-pass: 50–250 Hz @ 12 dB/octave Butterworth
  • Rear high-pass/low-pass: 50–250 Hz @ 12 dB/octave Butterworth
  • Front Punch EQ2 Bass: 0 – +18 dB @ 45 Hz
  • Front Punch EQ2 Treble: 0 – +12 dB @ 12.5 kHz
  • Rear Punch EQ2 Bass: 0 – +18 dB @ 45 Hz
  • Rear Punch EQ2 Treble: 0 – +12 dB @ 12.5 kHz
  • Function depends on the position of the LP/AP/HP switch

Your benefits at Masori

Frequently Asked Questions about Punch P400X4

What power does the Rockford Fosgate Punch P400X4 provide?

The Punch P400X4 from Rockford Fosgate delivers an RMS power of 50 watts per channel at 4 ohms. At a load of 2 ohms, the power increases to 100 watts per channel. Additionally, through bridging, the amplifier can provide 200 watts per channel at 4 ohms. The dynamic power is also rated at 82 watts x 4 at 4 ohms, 137 watts x 4 at 2 ohms, and 266 watts x 2 when bridged at 4 ohms. These power parameters make the P400X4 an ideal choice for music lovers who prefer clear and powerful sound.

How does the C.L.E.A.N. setting work on the Punch P400X4?

The Punch P400X4 from Rockford Fosgate is equipped with the innovative C.L.E.A.N. setting. This feature allows for precise adjustment of the amplifier levels to minimize distortion and ensure a balanced sound profile. The system uses visual indicators to warn the user when the optimal level is exceeded. With the C.L.E.A.N. setting, you can adjust levels and experience top-notch sound quality, as it helps to optimize the audio source without damaging the speakers. This technique is particularly useful for complex car audio installations.

How does the Punch-EQ affect the sound?

The Punch P400X4 amplifier from Rockford Fosgate utilizes the built-in Punch-EQ for fine-tuning the sound characteristics. The EQ allows for bass enhancement of up to +18dB at 45Hz and treble boost of up to +12dB at 12.5kHz. This enables the user to customize the sound to emphasize specific frequencies. This adjustment can be set separately for both the front and rear channels. Especially for bass-heavy music genres, the Punch-EQ makes a difference by producing strong and clear lows without loss of quality.

What is the frequency range of the Rockford Fosgate Punch P400X4?

The Punch P400X4 offers a linear frequency response of 20Hz to 20kHz with a tolerance of +/- 1.0dB. This wide frequency range ensures that both the deepest bass and the highest tones can be reproduced impressively and without disturbance. For more precise sound control, front and rear high-pass and low-pass filters are integrated, operating in the range of 50Hz to 250Hz at 12dB/octave. These sound filters allow for even finer tuning of the audio system according to individual listening preferences. Such a comprehensive frequency range provides a dynamic and rich audio experience.

Can the Punch P400X4 be combined with other car brands?

The compatibility of the Rockford Fosgate Punch P400X4 depends on the specific dimensions and requirements of your vehicle system. With its compact dimensions of 6.05 cm x 19.71 cm x 28.02 cm, the amplifier fits into most vehicle models that offer sufficient space in the car audio system area. Since the amplifier does not require specific car brands, it can be integrated into most standard automotive audio systems, provided the power and signal inputs meet the technical specifications. However, installation may require adjustments if space is limited.

How is the Rockford Fosgate Punch P400X4 cooled?

The cooling of the Punch P400X4 is ensured by a massive and specially shaped aluminum heat sink. This convection cooling enhances the efficiency of the amplifier by utilizing passive heat dissipation to prevent overheating. The design of the heat sink maximizes the heat dissipation surface, which is particularly beneficial under high load conditions. This effective cooling supports the longevity of the Punch P400X4 and ensures optimal operating conditions even with extended use.

What input signals does the Rockford Fosgate Punch P400X4 process?

The Punch P400X4 is designed to process both high and low-level signals, enabled by its two RCA pairs for Hi/Low levels. The signal conditioning auto turn-on circuit can also automatically activate high-level input sources, ensuring flexible integration into existing systems. With an input sensitivity ranging from 150 mV to 12 V, the amplifier can be connected to a variety of audio systems to achieve the highest sound quality. This makes connecting devices simple and efficient for various signal sources.

What protection mechanisms are integrated into the Punch P400X4?

The Punch P400X4 offers comprehensive safety features, including an intelligent short-circuit protection system and overcurrent protection. These technologies protect the Amplifier and connected speakers from potential damage due to voltage fluctuations or current overloads. Additionally, optical indicators are integrated to inform about the operating and protection status via LED lights. These indicators make it easier to identify faults and help initiate protective measures immediately to ensure consistent and reliable performance.

How is the Rockford Fosgate Punch P400X4 installed in the car?

Installing the Punch P400X4 requires precise planning, especially regarding cable routing and securing it in a suitable location. With a recommended Fuse of 60 A and a maximum current draw of 60 A at 13.8 V, a correct power supply must be ensured. Using 10mm² cables for power and 8mm² for speakers minimizes power losses. Choosing a ventilated space for mounting is advisable to fully utilize passive convection cooling. Key aspects during installation include avoiding signal interference and maintaining correct polarity.

How does the heat sink affect performance?

The cast aluminum heat sink of the Punch P400X4 serves not only for pure thermal management but is crucial for maintaining audio performance. With optimal heat regulation under intense sound demands, the Amplifier remains stable and consistently delivers excellent sound quality. The heat sink promotes efficient heat dissipation, optimizing thermal management in tight installation situations. The result is enhanced protection against thermal stress, which in turn increases reliability even with large volume differences. Thus, the aluminum heat sink is more than just a weather-protected protective mechanism.

Manufacturer information / responsible person

Audio Design Loudspeaker Sales GmbH
Am Breilingsweg 3
76709 Kronau
Germany

Authorized Managing Director:
Bruno Dammert

Contact: info@audiodesign.de

Let customers speak for us

from 9531 reviews
UMIK-1
Petre Lixandru
Product ok, delivery in 12 days

Product ok, delivery in 12 days.

UMIK-1
Thesis THG 1.5 II
Martin
Eingebaut in A-Säule, Klanglich sehr schön,

Eingebaut in A-Säule, Klanglich sehr schön, Pegelfest. Bin zufrieden.

Thesis THG 1.5 II
SLICKPROBOX6-V0
Sandro Keller
Sehr guter Klang, Top Preis und eine schnelle

Sehr guter Klang, Top Preis und eine schnelle Lieferung.

SLICKPROBOX6-V0
DB EDBPRO6-E3
Anonym
Top für den Preis !!!

Hören sich gut an!!! hätte ich nicht gedacht in der Preisklasse, vor allem der Pegel hab sie mit paar Axton Hochtönern verbaut und einem Kicker sub im Kofferraum und paar Rainbow Endstufen sauberer lauter klang bin sehr zufrieden mit dem Produkt. Langzeit noch keine Erfahrung da erst zwei Wochen verbaut

DB EDBPRO6-E3
Competition Series GS-14000.1
Henk van Dijk
Versterker was goed verpakt, En heb dit beest heeft zo veel power!

Versterker was goed verpakt, En heb dit beest gelijk getest op volume en klinkt geweldig op mijn subwoofers, Het geluid vervormd niet zelfs op vol volume klinken de bas tonen zuiver, Ben vooral blij dat ik deze versterker gekocht heb. Ik geniet van elke seconde in mijn auto,Ik kon het merk niet van de versterker [gs-audio] maar het is top merk en het is met de hand gemaakt en komt uit Italy is echt goed gemaakt alleen mijn auto heeft het zwaar te verduren alles beweegt, Dus top aankoop gedaan.

Competition Series GS-14000.1
UGMB 100 CNX
RAUL RUIZ
muy buena calidad compre todo el conjunto

muy buena calidad compre todo el conjunto superior, twitter, medios, coaxiales y agudos, una calidad espectacular ahora terminare con los suvwoofer... los rercomiendo

UGMB 100 CNX
UG MB 100 F
RAUL RUIZ
un pack impresionante y ademas lo he conseguido a

un pack impresionante y ademas lo he conseguido a un precio espectacular ademas el envío es muy rápido y perfectamente embalado

UG MB 100 F
Apocalypse Atom 2000.1 Pro
clem
Good amp

Compact and powerful active cooled amp there a remote knob included in the package that show the voltage and etc

Apocalypse Atom 2000.1 Pro
Z-Series Z-FDBG 2-4 EVO
clem
Love it

Love it. It show when a fuse is blown

Z-Series Z-FDBG 2-4 EVO
LAR165-2 Audi MDF 01
clem
Good fit on A4 b6

Good fit on A4 b6 2004

LAR165-2 Audi MDF 01
UG BMW 20 SUB U
Anonym
Hammer Woofer 👍 jeden Euro

Hammer Woofer 👍 jeden Euro wert

UG BMW 20 SUB U
Prima APBX 10 AS2
David Johnson
Great Product, Great Price

Great Product, Great Price

Prima APBX 10 AS2
Montagehebelset Keile 3-teilig Softversion
Anonym
Very Good

Very good experience purchasing several car audio installation products through Masori: Zeus AluButyl 140dB, the Montagehebelset Keile 3-piece soft trim removal tool set, and the 10–100 mm² M8 ring terminal set.

Shipping was fast and everything arrived well packaged with no issues. Regarding the products, the AluButyl provides very good sound deadening performance, with solid material that is easy to work with, ideal for doors and areas where vibration reduction is required.

The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

Overall, very satisfied with the purchase. High-quality materials suitable for professional-level car audio builds or well-finished personal projects, and a highly recommended store.

Montagehebelset Keile 3-teilig Softversion
Zeus AluButyl 140dB
Anonym
Very Good

Very good experience purchasing several car audio installation products through Masori: Zeus AluButyl 140dB, the Montagehebelset Keile 3-piece soft trim removal tool set, and the 10–100 mm² M8 ring terminal set.

Shipping was fast and everything arrived well packaged with no issues. Regarding the products, the AluButyl provides very good sound deadening performance, with solid material that is easy to work with, ideal for doors and areas where vibration reduction is required.

The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

Overall, very satisfied with the purchase. High-quality materials suitable for professional-level car audio builds or well-finished personal projects, and a highly recommended store.

Zeus AluButyl 140dB
10-100mm² Ring Set M8
Anonym
Very Good

Very good experience purchasing several car audio installation products through Masori: Zeus AluButyl 140dB, the Montagehebelset Keile 3-piece soft trim removal tool set, and the 10–100 mm² M8 ring terminal set.

Shipping was fast and everything arrived well packaged with no issues. Regarding the products, the AluButyl provides very good sound deadening performance, with solid material that is easy to work with, ideal for doors and areas where vibration reduction is required.

The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

Overall, very satisfied with the purchase. High-quality materials suitable for professional-level car audio builds or well-finished personal projects, and a highly recommended store.

10-100mm² Ring Set M8

Recently viewed products