Premium Chipset Configuration. The Topping D90 has a premium chipset configuration. It has a flagship DAC chip from AKM, AK4499 that provides a velvet sound experience with a smooth and detailed sound output. The D90 is equipped with a powerful XMOS XU208 USB Chip that supports USB decoding up to 32-Bit/768kHz and DSD up to DSD512 natively. Other chips include AK4118 S/PDIF Chip handling Optical and Coaxial inputs and a CPLD programmable chip. They have German Thesycon drivers.
Multiple Input Support. The Topping D90 provides you with a variety of input options to choose from. You can use USB input, Optical input, Coaxial Input, or Bluetooth Input methods. Bluetooth here supports all hi-res codecs including Aptx HD, LDAC, and many more.
MQA Support. The latest variant of Topping D90 supports MQA decoding functionality. MQA stands for Master Quality Authenticated Audio. MQA enables the delivery of studio-quality sound in digital files small enough to be streamed.
Bluetooth V5.0 with LDAC Support. The Topping D90 also takes input wirelessly over Bluetooth connections. It supports Bluetooth V5.0 offering you a strong and stable Bluetooth connection. The device supports all the Hi-Res Bluetooth codecs such as AptX HD, LDAC, and many more.
Pre-Amplifier Mode. The Topping D90 also supports the pre-amplifier function with volume control on the device. You can adjust volume from -99dB to 0dB.
SPECIFICATIONS : Product type : DAC DAC Chip : AKM AK4499 USB Interface : XMOS XU216 SPDIF Interface : AK4118 Bluetooth : 5.0 / Apt-X HD / LDAC
Supported sampling rates : MQA USB : PCM up to 32bit 768kHz / Native DSD up to DSD512 / DSD DoP up to DSD256 I2S : PCM up to 32bit 768kHz / DSD up to DSD512 Coaxial, Optical, AES : PCM up to 24bit 192kHz