In order to get this amp working at 1 ohm, do my (2) p3d4-10 subs have to be 2 ohm or 4 ohm?

It all depends on how they are wired. You can wire (2) 4ohm speakers in parallel to drop it to 2 ohms. Them take the positive and negative and connect them “bridged” to the amplifier and you’ll be at 1 ohm. Take (2) 2 ohm subs and wire them the same way and you’ll be at 1/2 ohm and likely blow the amp. I didn’t check the amp but you better verify that it it 1 ohm stable so you don’t blow it at 1 ohm if you plan on waiting it that way.

I have two of these amps. One works just fine the other seems like it isn’t connecting rca. The blue light comes on but no sound

Ok, disconnect the working amp and connect the non working amp to the working amps wiring. Does the non working amp now work? This will tell you if it's the amp or the wiring. Next check all volumes, left rights, front- rear

can this amp push two 10" R2D2?

I would say yes. Amp has plenty of power. I have it on two mofo 15's.

Will this amp work for 2 R2SD2-12s?

No, it will send to much power to the subs since they are only 250 watt rms

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Rockford Fosgate Punch P1000X1BD 1000 Watt Class-bd Mono Amplifier

Rockford Fosgate Punch P1000X1BD 1000 Watt Class-bd Mono Amplifier

Product ID: 1167627

Details

Brand
Rockford
Item dimensions L x W x H
5.8 x 12 x
Manufacturer
Rockford
Mounting Type
Car Mount
Voltage
12 volts

⚡1000W max power @ 1Ω

🔊Class-BD tech for efficient bass

🎚️On-board Punch EQ +18dB boost

€ 1113.91

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Description

🎵 Feel the Punch, Own the Road – Bass That Commands Respect

PRECISION BASS CONTROL - Integrated Punch EQ with +18dB boost at 45Hz and variable 12dB/Oct Butterworth crossovers tailor your subwoofer’s roar.
UNMATCHED POWER OUTPUT - Delivers a thunderous 1000 Watts RMS at 1-Ohm for earth-shaking bass that commands attention.
VERSATILE CONNECTIVITY - RCA inputs accept both high and low-level signals without converters, plus pass-thru outputs for seamless system expansion.
ROCKFORD FOSGATE RELIABILITY - Built with legendary durability and backed by a 1-year warranty, this amp is the trusted heart of your premium car audio setup.
EFFORTLESS SETUP PROTECTION - C.L.E.A.N. gain-setting system with clip indicator ensures optimal tuning and safeguards your speakers from damage.

The Rockford Fosgate Punch P1000X1BD is a compact yet powerhouse mono amplifier engineered exclusively for subwoofers. Utilizing advanced Class-BD technology, it delivers up to 1000 Watts RMS at 1-Ohm with exceptional efficiency and low current draw. Its built-in Punch EQ and variable crossovers provide precise bass tuning, while the innovative C.L.E.A.N. gain-setting system with clip indicator simplifies setup and protects your gear. Designed for audiophiles who demand premium sound and reliability, this amp combines Rockford Fosgate’s renowned build quality with versatile connectivity and a 1-year warranty.

Specifications

ASIN	B00BF6HY8E
Best Sellers Rank	#105,895 in Electronics ( See Top 100 in Electronics ) #240 in Car Multichannel Amplifiers
Brand	Rockford Fosgate
Brand Name	Rockford Fosgate
Customer Reviews	4.7 out of 5 stars 341 Reviews
Global Trade Identification Number	00780687332495
Included Components	A Amplifier With Standard Accessories
Item Dimensions	5.8 x 12 x 19.3 inches
Item Weight	12 pounds
Item dimensions L x W x H	5.8 x 12 x 19.3 inches
Manufacturer	Rockford Fosgate
Maximum Output Power	1000 Watts
Model	P1000X1BD
Mounting Type	Car Mount
Number of Channels	1
Number of Items	1
Number of Packs	1
Package Type Name	Retail Packaging
Part Number	P1000X1BD
UPC	780687332495 613815602835
Unit Count	1 Count
Voltage	12 volts
Warranty Description	1-Year Manufacturer Warranty

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