![Questyle M15i Headphone Amplifier Portable DAC USB DAC Amp with Dual-Jack, Portable Headphone Amp - Apple MFi Certified, Hi-Res DAC - Low Noise, for iOS/Android/PC: Amazon.co.uk: Electronics & Photo Questyle M15i Headphone Amplifier Portable DAC USB DAC Amp with Dual-Jack, Portable Headphone Amp - Apple MFi Certified, Hi-Res DAC - Low Noise, for iOS/Android/PC: Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/51NE8RRVWqL._AC_UF1000,1000_QL80_.jpg)
Questyle M15i Headphone Amplifier Portable DAC USB DAC Amp with Dual-Jack, Portable Headphone Amp - Apple MFi Certified, Hi-Res DAC - Low Noise, for iOS/Android/PC: Amazon.co.uk: Electronics & Photo
![Questyle M12 Portable Headphone Amplifier USB DAC, Hi-Res DAC, Low Noise,for Smartphones, PC, Laptops - 3.5mm Jack - Headphone Amps, USB DAC : Amazon.co.uk: Electronics & Photo Questyle M12 Portable Headphone Amplifier USB DAC, Hi-Res DAC, Low Noise,for Smartphones, PC, Laptops - 3.5mm Jack - Headphone Amps, USB DAC : Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/510j3iXZb0L.jpg)
Questyle M12 Portable Headphone Amplifier USB DAC, Hi-Res DAC, Low Noise,for Smartphones, PC, Laptops - 3.5mm Jack - Headphone Amps, USB DAC : Amazon.co.uk: Electronics & Photo
![Questyle M12 Portable Headphone Amplifier USB DAC, Hi-Res DAC, Low Noise,for Smartphones, PC, Laptops - 3.5mm Jack - Headphone Amps, USB DAC : Amazon.co.uk: Electronics & Photo Questyle M12 Portable Headphone Amplifier USB DAC, Hi-Res DAC, Low Noise,for Smartphones, PC, Laptops - 3.5mm Jack - Headphone Amps, USB DAC : Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/61A4Dhmf3fL._AC_UF1000,1000_QL80_.jpg)