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Two(2) Sabre³² ES9018K2M DAC chips are built in for right and left channels separately. The world's best performing 32Bit audio DAC solution, the ES9018K2M offers unexampled DNR(Dynamic Range) of up to 127dB and THD+N(Total Harmonic Distortion plus Noise) of -120dB. As the HA500H is circuit-designed with two DAC chips allocated for each channel separately, its Dynamic Range will be far increased and much better sound quality can be guarranted
Based on our exclusive technologies to match up solid state electronics with vacuum tube, the HA500H was developed to let audiophiles and music lovers experience mellow and enthralling sound adding warmth and depth to the music. A pair of ECC82 Vacuum Tubes are installed for preamp stage of headphone section and for out stage of pre-out section. It delivers a breathtaking sound enough to attract audiophiles' attention
The HA500H is circuit-designed by fully balanced technologies for internal analogue audio signal path. The unbalanced(single-ended) analog input will be converted to the balanced at input buffer, and it will go into ADC. The balanced analog input will go into ADC as it is. For all digital audio input, the signal flows in balanced mode all the way from the DAC to the output connectors. All single-ended(unbalanced) outputs are originated from the balanced signal as well. The balanced circuit design surely helps to reduce common-mode noise and improves siginal quality. The balanced headphone output provides twice the voltage and four times the power of the single-ended(unbalanced) output, enabling the HA500H to drive headphones which request lots of power. It also provides better channel seperation by eliminating the common ground return path.
To minimize idle noises and electrical interference, power source for digital and analogue section is isolatedly designed. Instead of cost-effective laminated steel core transformers, the HA500H applied the customized high quality toroidal power transformer which ensures unexcelled power efficiency and minimizes exterior magnetic fields.
For audiophiles and music lovers who use PC, X50D or X50Pro as source device, the HA500H will be a perfect Hybrid Asynchronous USB DAC, which will surely deliver a wonderfull sound by using the high precision clock inside to drive the audio signal precisely and dual ESS Sabre³² Reference DAC chips inside to convert digital signal to analogue. The HA500H USB DAC Input supports MQA(Master Quality Authenticated), Native DSD64/128/256 and PCM signal up to 32Bit/384Khz
As HA500H offers Bluetooth receiver which allows you to play music files in your mobile devices wirelessly via the HA500H. It supports A2DP and AVRCP profiles and SBC(Subband codec), aptX, AAC and MP3
Ideally, it is best way to power on in order of a source device, DAC, Pre-amplifier and Power Amplifier when power on hifi audio systems, Of course, the reverse order is recommended when turn off the power. The HA500H offers 12V trigger output and input. When it is used as a pre-amplifer, its trigger output can power on the connected power amplifer automatically when the HA500H is powered on. If you connect its trigger input to the trigger output of the connected source device, the HA500H can be turned on automatically when the source device is powered on.
The HA500H offers the feature to select Headphone Output Impedance(High/Low), so that you could set to proper impedance for optimal sound quality and the best matching with your headphones' sensitivity. You may select one of High and Low.
The HA500H's volume can be precisely and seamlessly controllable via the bundled cute remote control. The headphone amplifier also provides separate adjustments for the impedance and sensitivity of the connected headphones, as well as different levels of the audio sources. This features allow headphones between 16 ohms and 600 ohms to be worked perfectly with the HA500H with wonderful sound quality.
The HA500H offers very high connectivity. As it provides Analog Inputs(Balanced and Unbalanced), Digital Inputs(Coaxial, Toslink, AES/EBU), I²S Input(HDMI) and USB Audio Input, you can connect various source devices to the HA500H almost without limitation. Especially, the HA500H can be connected to the I²S HDMI Ouput of the X50Pro and X50D perfectly to play Native DSD, MQA and up to 384Khz PCM with great sound quality.
For outputs, it offers Balanced/Unbalanced Line Outputs and Balanced/Unbalanced Headphone Outputs.
A cute remote control is provided to control the HA500H remotely. It will allow you to do volume control, mute, setting, input change, source device selection, etc
5inch TFT LCD screen on the front will help to operate the HA500H easily and to get information how it is working. VU meters provide precise metering with a classic feel that matches with the warm, analog tone from the tubes
The HA500H is very rigidly and clearly structured, and it has simple and noble exterior design with top quality beautiful glass-sanding aluminum, which is crafted minutely by CNC machine.
The five(5) inch screen is located on the center of front with smart two ventilations sections for the vacuum tubes located on the top surface. This is another eye-catcher for the HA500H. For the rear and bottom side, 2mm high quality steel is used to give stability and rigidity along with addtional resistance from external vibrations. The HA500H is immensely solid desktop headphone amplifier and DAC with total weight of 6.9Kg(15.2 lbs)
Experience dramatic, unbelievably natural and brilliant sound created by a combination of vaccum tubes and solid state electronics technologies.
The HA500H will deliver the warm and mellow sound created by two(2) ECC82 vacuum tubes, and also transparent and dynamic sound by a pair of high quality OP Amp. Feel rich, simply magnificent and delightful sound with an extraordinary amount of details regardless of headphones of any impedance.
The HA500H can support DSD64/128/256, MQA and up to 384KHz PCM Hi-Res Audio to deliver magnificent sound quality that is as close as possible to the master recording level at studio.
You can operate HA500H easily with 5 inch screen and five(5) functions keys on the front
HA500H offers three(3) kinds of Input Level display like below. You can select one you prefer to
Hybrid(Vaccum Tubes & Solid State Electronics) Headphone AmplifierHybrid Premium Digital to Analog ConverterPre-AmplifierAsynchronous USB DAC
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