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Amazon.com: Btuty 2.1 Channel Subwoofer Power Amplifier Module DIY Kit 50Wx2+100W Treble Bass Control DC 12-24V BT Audio Amplifier Board Stereo Speaker Digital Amp for Audio System : Electronics
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How do I make an enclosure for an already enclosed 2" subwoofer module? The module also lacks most T/S parameters for obvious reasons, aside from Fd and some frequency response curves :
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