The Yaesu SP-30 is the dedicated external speaker for the FT-DX10 HF/50MHz transceiver, ergonomically designed to sit alongside the radio and deliver audio specifically tuned for communications and shortwave reception. Its tailored 200–1,800 Hz frequency response cuts through the noise to reproduce voice and CW signals with clarity — making it a natural companion for long operating sessions on HF.With a 12W maximum input and 4Ω impedance, the SP-30 is built to match the FT-DX10's audio output precisely, ensuring optimal performance without any additional configuration.Key Features Dedicated external speaker for the Yaesu FT-DX10 Audio response specially tailored for communications and shortwave reception Ergonomically designed to complement the FT-DX10 Maximum input: 12W Impedance: 4Ω Frequency response: 200–1,800 Hz Technical Specifications Maximum input: 12W Impedance: 4Ω Audio frequency response: 200–1,800 Hz Case size: 81 × 115 × 263mm Weight: 1.5kg Compatible with: Yaesu FT-DX10