This voice pack for DBM contains custom DBM sounds by Hazel of HazelNuttyGames on YouTube.
After installing,
Type '/dbm' to enter DBM options, then under Options > Spoken Alerts, scroll through the drop down menu and select 'HazelNuttyGames'. It'll be available in both the 'Countdown' and 'Voice Pack for Spoken Alert' sections.
The DBM Voicepack - HazelNuttyGames Team
