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In stock and ready to ship
In Stock and Ready to Ship
Ships in 1 to 3 business days. Monday to Friday, except bank holidays. Subject to stock availability and security checks.
- Silver
- Black
Thyris Electronics HAS-0R
Flagship Portable Headphone Amplifier
- Patented ground-sensing technology for ultra-low crosstalk (-100dB or less)
- Ultra-low distortion: THD 0.00005% or less
- Ultra-low output impedance: 100mΩ or less
- SNR 120dB or more with battery-powered operation
- USB Type-C external power with automatic battery management
- Ideal for binaural recordings and spatial audio monitoring
- Made-to-order with 2-3 month lead time
VAT and Duties Included for UK and Eligible EU Customers.
If you are outside the UK or EU, the price does not include any taxes. Local taxes and import duties will be extra. They will be raised by the local authorities and billed directly to the customer.
VAT and Import Taxes FAQ
Thyris Electronics HAS-0R
This new flagship headphone amplifier utilizes patented ground-sensing technology to achieve ultra-low crosstalk of -100dB or less (*), despite using a standard 3.5mm 3-pole unbalanced connection.
Unlike balanced (BTL) connections, there is no increase in output impedance, ensuring excellent performance even with conventional headphones using standard 3.5mm 3-pole plugs.
Distortion remains extremely low even under low-impedance loads. Combined with superior channel separation, this amplifier is ideal for monitoring binaural recordings and spatial audio—which require high-precision reproduction—as well as for use as a reference amplifier for measuring headphones and other equipment.
To prevent unwanted ground loops and signal-to-noise (S/N) degradation caused by power connections, the unit supports battery-powered operation. External power can also be supplied via USB Type-C when necessary. An internal semiconductor switch automatically manages the transition to external power and ensures the battery is charged safely, allowing you to use the device without worrying about battery degradation.
Notes
-
*Crosstalk varies significantly depending on the characteristics of the earphone cable. Measured using FRA5097.
-
*With the exception of dedicated accessories, 3.5mm 4-pole plugs cannot be used.
-
*Actual values measured using the THD mode of a VP-7725A.
Technical specifications
*3.5mm 4-pole plugs cannot be used except dedicated accessories.
*THD values measured using VP-7725A THD mode.
Shipping and Returns
- Dispatch
- 1–3 business days In-stock items, Monday to Friday except bank holidays, subject to stock and security checks.
- Delivery
- Tracked or signed Delivery options and costs are shown at checkout. We don't profit from shipping charges.
- Returns
- 14 days For electronics such as DACs, amps and players, in like-new condition with all original packaging and accessories.
Good to know
- Return shipping is paid by the customer.
- Open box, B-stock, refurbished and clearance items can't be returned.
- Please add a valid phone number at checkout in case we need to verify your identity.
Warranty
- New products
- 1-year manufacturer warranty Most products. The exact warranty is set by the manufacturer.
- Pre-owned & open box
- 3 months B-grade, open box, refurbished, ex-demo and second-hand items.
- Covered
- Defects in materials, parts and workmanship
- Not covered
- Accidents, misuse and unauthorised repairs Including abnormal conditions, deliberate abuse and operator error.
- Making a claim
- Send it to us, we ship it back free You cover shipping to Elise Audio; we pay to send the repaired or replacement product back.
This new flagship headphone amplifier utilizes patented ground-sensing technology to achieve ultra-low crosstalk of -100dB or less (*), despite using a standard 3.5mm 3-pole unbalanced connection.
Unlike balanced (BTL) connections, there is no increase in output impedance, ensuring excellent performance even with conventional headphones using standard 3.5mm 3-pole plugs.
Distortion remains extremely low even under low-impedance loads. Combined with superior channel separation, this amplifier is ideal for monitoring binaural recordings and spatial audio—which require high-precision reproduction—as well as for use as a reference amplifier for measuring headphones and other equipment.
To prevent unwanted ground loops and signal-to-noise (S/N) degradation caused by power connections, the unit supports battery-powered operation. External power can also be supplied via USB Type-C when necessary. An internal semiconductor switch automatically manages the transition to external power and ensures the battery is charged safely, allowing you to use the device without worrying about battery degradation.
Notes
-
*Crosstalk varies significantly depending on the characteristics of the earphone cable. Measured using FRA5097.
-
*With the exception of dedicated accessories, 3.5mm 4-pole plugs cannot be used.
-
*Actual values measured using the THD mode of a VP-7725A.
*3.5mm 4-pole plugs cannot be used except dedicated accessories.
*THD values measured using VP-7725A THD mode.
- Dispatch
- 1–3 business days In-stock items, Monday to Friday except bank holidays, subject to stock and security checks.
- Delivery
- Tracked or signed Delivery options and costs are shown at checkout. We don't profit from shipping charges.
- Returns
- 14 days For electronics such as DACs, amps and players, in like-new condition with all original packaging and accessories.
Good to know
- Return shipping is paid by the customer.
- Open box, B-stock, refurbished and clearance items can't be returned.
- Please add a valid phone number at checkout in case we need to verify your identity.
- New products
- 1-year manufacturer warranty Most products. The exact warranty is set by the manufacturer.
- Pre-owned & open box
- 3 months B-grade, open box, refurbished, ex-demo and second-hand items.
- Covered
- Defects in materials, parts and workmanship
- Not covered
- Accidents, misuse and unauthorised repairs Including abnormal conditions, deliberate abuse and operator error.
- Making a claim
- Send it to us, we ship it back free You cover shipping to Elise Audio; we pay to send the repaired or replacement product back.
Customer reviews
Customer Reviews
This little amp has no right to sound this good. I have it driving Ibuki with EvoAria Evo One as the source and it's an improvement in bass response and note weight over the DAP's output. Mind is just completely blown, not just at the price point.
