bɪkˈʌz ʌv ðɪs mˈʌtʃ ɡɹˈeɪɾɚ pˈaʊɚ sˌʌm nˈuːklɪɹ dˈɛpθ bˈɑːmz fˈiːtʃɚɹ ɐ vˈɛɹɪəbəl jˈiːld, wˈɛɹbaɪ ðɪ ɛksplˈoʊsɪv ˈɛnɚdʒi ʌvðə dɪvˈaɪs mˈeɪ biː vˈɛɹid bᵻtwˌiːn ɐ lˈoʊ sˈɛɾɪŋ fɔːɹ jˈuːs ɪn ʃˈæloʊ ɔːɹ kˈoʊstəl wˈɔːɾɚz, ænd ɐ hˈaɪ jˈiːld fɔːɹ dˈiːp wˈɔːɾɚɹ ˈoʊpənsˈiː jˈuːs.
Because of this much greater power some nuclear depth bombs feature a variable yield, whereby the explosive energy of the device may be varied between a low setting for use in shallow or coastal waters, and a high yield for deep water open-sea use.