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<blockquote data-quote="trisr" data-source="post: 1953840" data-attributes="member: 569050">1.)<img src="http://www.ciashop.com.br/dutishop/Assets/product_images/zoom/T5510Lrg.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /><img src="http://www.ciashop.com.br/dutishop/Assets/product_images/zoom/T5500Tra.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" />Subwoofer Impedance Dual 4 Ω 4 Ω Frequency Response 30 - 150Hz 29 - 150Hz RMS Power (Watts) 300 300 Rec. RMS Amplifier Power (Watts) 150 - 300 150 - 300 Voice Coil 1.75&quot; 1.75&quot; Magnet Weight (oz.) 70 70 Mounting Depth 6-11/16&quot; 6-11/16&quot; Cut Out Diameter 11-1/16&quot; 11-1/16&quot; Sealed Enclosure Net Volume 1.25ft3 1.25ft3 Vented Enclosure Net Volume 2ft3 2ft3 Port Dimensions (Slot Port) 2&quot;W x 14&quot;H x 15&quot;L 2&quot;W x 14&quot;H x 15&quot;L Speaker Displacement .07ft3 .07ft3 Port Displacement .24ft3 .24ft3 Tuning Frequency 38Hz 38Hz2.)<img src="http://www.bravox.com.br/produtos/automotivos/img/endurance2kexp_12d2.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />Impedância 2,0 + 2,0 (ohms ± 10%)Sensibilidade 87 (± 2dB/m/2,83v)Freqüência Ressonância 27 (Hz ± 15 %)Gama de Resposta 22 - 1000 (Hz)Potência Máxima 1400 WmaxPotência Nominal 700 WrmsQts 0,46Qms 5,75Qes 0,50Vas 70 litrosXMáx 11 mmRe 1,8 + 1,8 OhmsSd 0,0523 m²12&quot; D 321,0 mmH 145 mmI am an american living in brazil. Choices for subs and amps are very limited here.Will the MTX sub be very much quieter than the Bravox? (Judging by the specs only....I know that not many people have experience with Bravox subs, since they are brazilian made).And a noob question......generally speaking, which would you chose...2 10&quot; subs in a sealed box or one 12&quot; sub in a sealed box?</blockquote>

[QUOTE="trisr, post: 1953840, member: 569050"] 1.) [IMG]http://www.ciashop.com.br/dutishop/Assets/product_images/zoom/T5510Lrg.jpg[/IMG] [IMG]http://www.ciashop.com.br/dutishop/Assets/product_images/zoom/T5500Tra.gif[/IMG] Subwoofer Impedance Dual 4 Ω 4 Ω Frequency Response 30 - 150Hz 29 - 150Hz RMS Power (Watts) 300 300 Rec. RMS Amplifier Power (Watts) 150 - 300 150 - 300 Voice Coil 1.75" 1.75" Magnet Weight (oz.) 70 70 Mounting Depth 6-11/16" 6-11/16" Cut Out Diameter 11-1/16" 11-1/16" Sealed Enclosure Net Volume 1.25ft3 1.25ft3 Vented Enclosure Net Volume 2ft3 2ft3 Port Dimensions (Slot Port) 2"W x 14"H x 15"L 2"W x 14"H x 15"L Speaker Displacement .07ft3 .07ft3 Port Displacement .24ft3 .24ft3 Tuning Frequency 38Hz 38Hz 2.) [IMG]http://www.bravox.com.br/produtos/automotivos/img/endurance2kexp_12d2.jpg[/IMG] Impedância 2,0 + 2,0 (ohms ± 10%) Sensibilidade 87 (± 2dB/m/2,83v) Freqüência Ressonância 27 (Hz ± 15 %) Gama de Resposta 22 - 1000 (Hz) Potência Máxima 1400 Wmax Potência Nominal 700 Wrms Qts 0,46 Qms 5,75 Qes 0,50 Vas 70 litros XMáx 11 mm Re 1,8 + 1,8 Ohms Sd 0,0523 m² 12" D 321,0 mm H 145 mm I am an american living in brazil. Choices for subs and amps are very limited here. Will the MTX sub be very much quieter than the Bravox? (Judging by the specs only....I know that not many people have experience with Bravox subs, since they are brazilian made). And a noob question......generally speaking, which would you chose...2 10" subs in a sealed box or one 12" sub in a sealed box? [/QUOTE]

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