diff --git a/Machines/Sinclair/ZXSpectrum/ZXSpectrum.cpp b/Machines/Sinclair/ZXSpectrum/ZXSpectrum.cpp
index 84d5bd632..2ea43ca06 100644
--- a/Machines/Sinclair/ZXSpectrum/ZXSpectrum.cpp
+++ b/Machines/Sinclair/ZXSpectrum/ZXSpectrum.cpp
@@ -41,6 +41,7 @@ using Model = Analyser::Static::ZXSpectrum::Target::Model;
 template<Model model> class ConcreteMachine:
 	public Configurable::Device,
 	public Machine,
+	public MachineTypes::AudioProducer,
 	public MachineTypes::MappedKeyboardMachine,
 	public MachineTypes::MediaTarget,
 	public MachineTypes::ScanProducer,
@@ -343,6 +344,12 @@ template<Model model> class ConcreteMachine:
 			set_use_fast_tape();
 		}
 
+		// MARK: - AudioProducer.
+
+		Outputs::Speaker::Speaker *get_speaker() override {
+			return &speaker_;
+		}
+
 	private:
 		CPU::Z80::Processor<ConcreteMachine, false, false> z80_;