diff --git a/spec/kitchen/driver/vagrant_spec.rb b/spec/kitchen/driver/vagrant_spec.rb
index dd517fa1..5d3bca29 100644
--- a/spec/kitchen/driver/vagrant_spec.rb
+++ b/spec/kitchen/driver/vagrant_spec.rb
@@ -1272,10 +1272,27 @@ def run_command(_cmd, options = {})
         expect(vagrantfile).to match(regexify(<<-RUBY.gsub(/^ {8}/, "").chomp))
           c.vm.provider :virtualbox do |p|
             p.name = "kitchen-#{File.basename(config[:kitchen_root])}-suitey-fooos-99"
+            p.customize ["modifyvm", :id, "--audio", "none"]
           end
         RUBY
       end
 
+      it "disables audio by default" do
+        cmd
+
+        expect(vagrantfile).to include(%{p.customize ["modifyvm", :id, "--audio", "none"]})
+      end
+
+      it "allows audio to be enabled with :customize" do
+        config[:customize] = {
+          audio: "pulse",
+        }
+        cmd
+
+        expect(vagrantfile).to include(%{p.customize ["modifyvm", :id, "--audio", "pulse"]})
+        expect(vagrantfile).not_to include(%{p.customize ["modifyvm", :id, "--audio", "none"]})
+      end
+
       it "adds a line for each element in :customize" do
         config[:customize] = {
           a_key: "some value",
@@ -1286,6 +1303,7 @@ def run_command(_cmd, options = {})
         expect(vagrantfile).to match(regexify(<<-RUBY.gsub(/^ {8}/, "").chomp))
           c.vm.provider :virtualbox do |p|
             p.name = "kitchen-#{File.basename(config[:kitchen_root])}-suitey-fooos-99"
+            p.customize ["modifyvm", :id, "--audio", "none"]
             p.customize ["modifyvm", :id, "--a_key", "some value"]
             p.customize ["modifyvm", :id, "--something", "else"]
           end
@@ -1307,6 +1325,7 @@ def run_command(_cmd, options = {})
           c.vm.provider :virtualbox do |p|
             p.name = "kitchen-#{File.basename(config[:kitchen_root])}-suitey-fooos-99"
             p.gui = false
+            p.customize ["modifyvm", :id, "--audio", "none"]
           end
         RUBY
       end
@@ -1319,6 +1338,7 @@ def run_command(_cmd, options = {})
           c.vm.provider :virtualbox do |p|
             p.name = "kitchen-#{File.basename(config[:kitchen_root])}-suitey-fooos-99"
             p.gui = true
+            p.customize ["modifyvm", :id, "--audio", "none"]
           end
         RUBY
       end
@@ -1339,6 +1359,7 @@ def run_command(_cmd, options = {})
           c.vm.provider :virtualbox do |p|
             p.name = "kitchen-#{File.basename(config[:kitchen_root])}-suitey-fooos-99"
             p.linked_clone = false
+            p.customize ["modifyvm", :id, "--audio", "none"]
           end
         RUBY
       end
@@ -1351,6 +1372,7 @@ def run_command(_cmd, options = {})
           c.vm.provider :virtualbox do |p|
             p.name = "kitchen-#{File.basename(config[:kitchen_root])}-suitey-fooos-99"
             p.linked_clone = true
+            p.customize ["modifyvm", :id, "--audio", "none"]
           end
         RUBY
       end
@@ -1367,6 +1389,7 @@ def run_command(_cmd, options = {})
         expect(vagrantfile).to match(regexify(<<-RUBY.gsub(/^ {8}/, "").chomp))
           c.vm.provider :virtualbox do |p|
             p.name = "kitchen-#{File.basename(config[:kitchen_root])}-suitey-fooos-99"
+            p.customize ["modifyvm", :id, "--audio", "none"]
             p.customize ["createhd", "--filename", "./d1.vmdk", "--size", 10240]
           end
         RUBY
@@ -1390,6 +1413,7 @@ def run_command(_cmd, options = {})
         expect(vagrantfile).to match(regexify(<<-RUBY.gsub(/^ {8}/, "").chomp))
           c.vm.provider :virtualbox do |p|
             p.name = "kitchen-#{File.basename(config[:kitchen_root])}-suitey-fooos-99"
+            p.customize ["modifyvm", :id, "--audio", "none"]
             p.customize ["createhd", "--filename", "./d1.vmdk", "--size", 10240]
             p.customize ["createhd", "--filename", "./d2.vmdk", "--size", 20480]
           end
@@ -1410,6 +1434,7 @@ def run_command(_cmd, options = {})
         expect(vagrantfile).to match(regexify(<<-RUBY.gsub(/^ {8}/, "").chomp))
           c.vm.provider :virtualbox do |p|
             p.name = "kitchen-#{File.basename(config[:kitchen_root])}-suitey-fooos-99"
+            p.customize ["modifyvm", :id, "--audio", "none"]
             p.customize ["storagectl", :id, "--name", "Custom SATA Controller", "--add", "sata", "--controller", "IntelAHCI", "--portcount", 4]
           end
         RUBY
@@ -1434,6 +1459,7 @@ def run_command(_cmd, options = {})
         expect(vagrantfile).to match(regexify(<<-RUBY.gsub(/^ {8}/, "").chomp))
           c.vm.provider :virtualbox do |p|
             p.name = "kitchen-#{File.basename(config[:kitchen_root])}-suitey-fooos-99"
+            p.customize ["modifyvm", :id, "--audio", "none"]
             p.customize ["storagectl", :id, "--name", "Custom SATA Controller", "--add", "sata", "--controller", "IntelAHCI"]
             p.customize ["storagectl", :id, "--name", "Custom SATA Controller", "--portcount", 4]
           end
@@ -1452,6 +1478,7 @@ def run_command(_cmd, options = {})
         expect(vagrantfile).to match(regexify(<<-RUBY.gsub(/^ {8}/, "").chomp))
           c.vm.provider :virtualbox do |p|
             p.name = "kitchen-#{File.basename(config[:kitchen_root])}-suitey-fooos-99"
+            p.customize ["modifyvm", :id, "--audio", "none"]
             p.customize ["storageattach", :id, "--type", "hdd", "--port", 1]
           end
         RUBY
@@ -1481,6 +1508,7 @@ def run_command(_cmd, options = {})
         expect(vagrantfile).to match(regexify(<<-RUBY.gsub(/^ {8}/, "").chomp))
           c.vm.provider :virtualbox do |p|
             p.name = "kitchen-#{File.basename(config[:kitchen_root])}-suitey-fooos-99"
+            p.customize ["modifyvm", :id, "--audio", "none"]
             p.customize ["storageattach", :id, "--storagectl", "SATA Controller", "--port", 1, "--device", 0, "--type", "hdd", "--medium", "./d1.vmdk"]
             p.customize ["storageattach", :id, "--storagectl", "SATA Controller", "--port", 1, "--device", 1, "--type", "hdd", "--medium", "./d2.vmdk"]
           end
@@ -1496,6 +1524,7 @@ def run_command(_cmd, options = {})
         expect(vagrantfile).to match(regexify(<<-RUBY.gsub(/^ {8}/, "").chomp))
           c.vm.provider :virtualbox do |p|
             p.name = "kitchen-#{File.basename(config[:kitchen_root])}-suitey-fooos-99"
+            p.customize ["modifyvm", :id, "--audio", "none"]
             p.customize ["modifyvm", :id, "--cpuidset", "00000001", "00000002"]
           end
         RUBY
diff --git a/templates/Vagrantfile.erb b/templates/Vagrantfile.erb
index bf6154a4..33bd28d5 100644
--- a/templates/Vagrantfile.erb
+++ b/templates/Vagrantfile.erb
@@ -94,7 +94,7 @@ Vagrant.configure("2") do |c|
    when "virtualbox" %>
     p.name = "kitchen-<%= File.basename(config[:kitchen_root]) %>-<%= instance.name %>"
 <% end %>
-   
+
 <% case config[:provider]
    when "virtualbox", /^vmware_/
      if config[:gui] == true || config[:gui] == false %>
@@ -114,6 +114,11 @@ Vagrant.configure("2") do |c|
 <%   end
    end %>
 
+<% if config[:provider] == "virtualbox" &&
+      !config[:customize].has_key?(:audio) %>
+    p.customize ["modifyvm", :id, "--audio", "none"]
+<% end %>
+
 <% config[:customize].each do |key, value| %>
   <% case config[:provider]
      when "libvirt" %>
@@ -176,7 +181,7 @@ Vagrant.configure("2") do |c|
         <% options = [] %>
         <% item.each do |storage_option_key, storage_option_value|
              options << "\"--#{storage_option_key}\""
-             if storage_option_value.instance_of? Fixnum
+             if storage_option_value.kind_of? Integer
                options << storage_option_value
              else
                options << "\"#{storage_option_value}\""