![Amazon.com: Topping DX3pro+ LDAC Headphone Amplifier - ES9038Q2M XU208 NFCA Bluetooth5.0 Audio Decoder USB/Opt/Coax DAC AMP Pre Amplifier with Remote Control (Black) : Electronics Amazon.com: Topping DX3pro+ LDAC Headphone Amplifier - ES9038Q2M XU208 NFCA Bluetooth5.0 Audio Decoder USB/Opt/Coax DAC AMP Pre Amplifier with Remote Control (Black) : Electronics](https://m.media-amazon.com/images/I/51kmRw0tL-L.jpg)
Amazon.com: Topping DX3pro+ LDAC Headphone Amplifier - ES9038Q2M XU208 NFCA Bluetooth5.0 Audio Decoder USB/Opt/Coax DAC AMP Pre Amplifier with Remote Control (Black) : Electronics
![Archimago's Musings: MEASUREMENTS: Topping DX3 PRO V2 (LDAC version) - plus frequency/amplitude stepped sine measurements, a quick look at the 8kHz USB PHY packet noise, and AirPods Pro "Spatial Audio" coming... Archimago's Musings: MEASUREMENTS: Topping DX3 PRO V2 (LDAC version) - plus frequency/amplitude stepped sine measurements, a quick look at the 8kHz USB PHY packet noise, and AirPods Pro "Spatial Audio" coming...](https://1.bp.blogspot.com/-ese9-qfJ8Lc/Xu75n2E8BQI/AAAAAAAAXCA/2KQ7hD2zcMMB6FpQD1wOYGG9pcOK8Ha_QCLcBGAsYHQ/s1600/DX3%2BPro%2Band%2BD10%252C%2BManual-Measurements.jpg)
Archimago's Musings: MEASUREMENTS: Topping DX3 PRO V2 (LDAC version) - plus frequency/amplitude stepped sine measurements, a quick look at the 8kHz USB PHY packet noise, and AirPods Pro "Spatial Audio" coming...
![Archimago's Musings: MEASUREMENTS: Topping DX3 PRO V2 (LDAC version) - plus frequency/amplitude stepped sine measurements, a quick look at the 8kHz USB PHY packet noise, and AirPods Pro "Spatial Audio" coming... Archimago's Musings: MEASUREMENTS: Topping DX3 PRO V2 (LDAC version) - plus frequency/amplitude stepped sine measurements, a quick look at the 8kHz USB PHY packet noise, and AirPods Pro "Spatial Audio" coming...](https://1.bp.blogspot.com/-ExJ9Z3xVznQ/XvL4efq8gVI/AAAAAAAAXGg/aWB8tItsDuUNWwzN3txRybSraKQuE3ZwwCLcBGAsYHQ/s1600/Topping%2BDX3_Pro_Stepped_Level_-_Linearity.png)
Archimago's Musings: MEASUREMENTS: Topping DX3 PRO V2 (LDAC version) - plus frequency/amplitude stepped sine measurements, a quick look at the 8kHz USB PHY packet noise, and AirPods Pro "Spatial Audio" coming...
![Archimago's Musings: MEASUREMENTS: Topping DX3 PRO V2 (LDAC version) - plus frequency/amplitude stepped sine measurements, a quick look at the 8kHz USB PHY packet noise, and AirPods Pro "Spatial Audio" coming... Archimago's Musings: MEASUREMENTS: Topping DX3 PRO V2 (LDAC version) - plus frequency/amplitude stepped sine measurements, a quick look at the 8kHz USB PHY packet noise, and AirPods Pro "Spatial Audio" coming...](https://1.bp.blogspot.com/-3Z3qRHvczVg/Xu8RN3Ac9pI/AAAAAAAAXDI/RXqb4-AXg444Dh2xvfVGUdCRTI7J4faQQCLcBGAsYHQ/s1600/Topping%2BDX3%2BPro%2B-%2B30-Ohm%2BLoad%2B%252B9dB%2BGain%2B1kHz.png)
Archimago's Musings: MEASUREMENTS: Topping DX3 PRO V2 (LDAC version) - plus frequency/amplitude stepped sine measurements, a quick look at the 8kHz USB PHY packet noise, and AirPods Pro "Spatial Audio" coming...
![Amazon.com: Topping DX3 Pro+ ES9038Q2M Bluetooth 5.0 LDAC Audio Decoder DSD512 DAC AMP NFCA Headphone Amplifier Pre Amplifier (Black) : Electronics Amazon.com: Topping DX3 Pro+ ES9038Q2M Bluetooth 5.0 LDAC Audio Decoder DSD512 DAC AMP NFCA Headphone Amplifier Pre Amplifier (Black) : Electronics](https://m.media-amazon.com/images/I/31UJ-y8uHpL._AC_UF894,1000_QL80_.jpg)