Rockford Fosgate Marine PM400x4 - 4-Kanal Verstärker

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

The PM400X4 is perfect for 4-way front step / rear filling or 3-way front step / subwoofer systems. Just place a pair of component speakers on the front channels and subs on the back and BOOM - you have "The PUNCH". With its flexible design, the PM400X4 is an excellent amplifier choice for virtually any vehicle.

• High-level input with automatic switch-on
• Features CLEAN facility
• Butterworth crossover with 12 dB / octave
• On-board punch EQ with + 18 dB boost at 45 Hz
• Switch on muted
• Stealth control panel
• Cast aluminum heat sink
• Short circuit protection
• Overcurrent protection
• Marine grade two-part epoxy coating on circuit boards
• Marine grade stainless steel fittings

Technical specifications

CEA-2006 rated power: 50 W x 4 at 4 ohms ≤ 1.0% THD + N.

Number of channels: 4

Total power: 400W

RMS power:  

• 50 watts x 4 at 4 ohms
• 100 watts x 4 at 2 ohms
• 200 watts x 2 bridged at 4 ohms

Dynamic performance (PVC / PowerCube):

• 82 watts x 4 at 4 ohms

• 137 watts x 4 at 2 ohms

Frequency response: 20Hz-20kHz +/- 1.0 dB

Input sensitivity: 150 mV - 12 V.

Circuit topology class: Class A / B.

Efficiency (average): 67% at 4 ohms

Total harmonic distortion (THD + noise):  

• 4 ohms: <1.0%
• 2 ohms: <1.0%

Signal input: Hi / Low Level: 2 cinch pairs

Signal output: Low level: 1 RCA pair

Sound control:  

Front Punch EQ2

• Bass: 0 dB to + 18 dB at 45 Hz and / or Front Punch EQ2

• Treble: 0 dB to +12 dB at 12.5 kHz

Rear Punch EQ2 Bass:

• 0 dB to + 18 dB at 45 Hz and / or

Rear beat EQ2 treble:

• 0 dB to +12 dB at 12.5 kHz

The function depends on the position of the LP / AP / HP switch

Crossover:

• Front high pass / low pass (HP / LP): 50 Hz - 250 Hz at 12 dB / octave Butterworth
• Rear high pass / low pass (HP / LP): 50 Hz - 250 Hz at 12 dB / octave Butterworth
• All-Pass: Yes

Remote controls: N / A

Visual indicators:

• Power / Protect / Thermal LED
• Input clip LED 3
• Output clip LED - 1,2,3

LED color legend:

• 1 BLUE: <0.5% THD
• 2 VIOLET: 1% THD
• 3 RED: 10% + THD

Power Wire Gauge: 4 AWG

Power input connector: Captive C-Clamp
Speaker wire indicator: 8 AWG to 18 AWG

Speaker output connector: Captive C-Clamp

Cooling: convection

Heat sink: cast aluminum

Operating voltage: 9 - 16 VDC
Recommended fuse (not included): 60 A.
Average power consumption (13.8 V music): 30 A.

Dimensions (H x W x D): 6.05 x 19.71 x 28.02 cm

Delivery weight: 4.89 kg

• 2.38 x 7.76 x 11.03 (inches)
• 6.05 x 19.71 x 28.02 (cm)

Shipping weight: 10.5 lbs. (4.76kg)