NX120DVC Amplitude Response(dB/Hz) Recommended Enclosures Please note : Our recommended box volumes are given for internal air requirements. NX120DVC Amplitude Response(dB/Hz) Ported Enclosure 39 Sealed Enclosure 36 Frequency Frequency Ported Enclosure Sealed Enclosure Box Volume: 0.9 (cu. ft.) to 1.9 (cu. ft.) Box is given as internal air volume including driver displacement Box Volume: 1.3 (cu. ft.) to 2.2 (cu. ft.
