Ok my cousin bought one MTX TA5601 and Pioneer Premier TS-W3001D4 subwoofer ... The amp is not 1 ohm stable and alot of people told me and him that MTX amps are under-rated , is that true ?

Will this amp be enought to power this Premier Sub which is Rated at 1000W RMS ? And is it enough bass for everyday listening btw his trunk is fully Dynamated and he has a 2008 335i Coupe ?

First the sub can be hooked up in 8ohm or 2 ohm, so a 1 ohm stable amp is irrelevant.

Sub specs 1000w rms and 3000w peak
Amp RMS Power Output: 300 Watts x 1 @ 2 Ohm, 150 Watts x 1 @ 4 Ohm
Peak Power Output: 600 Watts x 1 @ 2 Ohm, 300 Watts x 1 @ 4 Ohm

Your amp is way underpowered imo, and I have no idea about mtx amps being under rated, but based on the specs.... way underpowered

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Active system - Eclipse cd7000 - Focal k2p - Audison LRx 4.1k and Audison LRx1.1k - AVI sls300 x 2 in custom built spare tire well enclosure

get an amp that pushes between 800 and 1000watt rms at 2ohm

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Big box installer (Timmins)
02 GRAND CARAVAN SPORT

SPEAKERS: -6 1/2" component from energy still to come concidering alternatives
-2x Massive audio CW12 in 4.2cf dual chamber square ported at ~35hz

Amps: -DD SS1
-KAC-745

Upgrades: -160 amp alt. maybe
-4 gauge wiring (done)
-0 gauge BIG 3 (done)
-sound deadning the shit out of the van somewhat not done yet
?????????

and yes its engough for a daily driver if your pushing 1000watt

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Big box installer (Timmins)
02 GRAND CARAVAN SPORT

SPEAKERS: -6 1/2" component from energy still to come concidering alternatives
-2x Massive audio CW12 in 4.2cf dual chamber square ported at ~35hz

Amps: -DD SS1
-KAC-745

Upgrades: -160 amp alt. maybe
-4 gauge wiring (done)
-0 gauge BIG 3 (done)
-sound deadning the shit out of the van somewhat not done yet
?????????

dude, nothing is under rated.

are the same guy that was asking if "this is good"? from like 2 weeks ago.

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Team Fear Of Bass

I had a premier T-SWspl series sub, on 12 on 400 watts and top tl score of 142 and it was fine for the whole year like that. Also had 3500 on it at one time and the amp crapped out on me not the sub. Run a solid 1000 rms to it and youll be pleased both sound and spl wise.

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LOW TONEZ AUDIO

The amp is actually 600 RMS @ 2 ohms not peak u should check the specs first

MTX TA5601 Car Audio Amplifier Specs - DealTime theres one model TA4501 that one is 500 RMS @ 2 ohm ... Btw he got this amp for 180$ a new one and it was a pretty good deal and i heard their reliable

I googled the amp and those are the specs, what? you thought I made them up?

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Active system - Eclipse cd7000 - Focal k2p - Audison LRx 4.1k and Audison LRx1.1k - AVI sls300 x 2 in custom built spare tire well enclosure

You're good to go with this set up.