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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.
- Satri Circuit Lab HDA-5520 MK2
Satri Circuit Lab HDA-5520 MK2
Portable Headphone Amplifier
- Japanese & Korean Audio Technology
- Internal Circuitry Upgrade from the original HDA-5520
- Upgraded version with 4x 18650 rechargeable batteries
VAT Included for UK Customers.
For international customers, VAT is already removed from the displayed price. International Customers will incur local import taxes and duty charges.
VAT and Import Taxes FAQ-
Estimated Delivery:May 23 - May 27
RETURNS
Elise Audio has a standard 14-day return / exchange policy for electronic products (DAC/DAP):
- Must be returned in like-new factory condition
- Must include all original packaging and accessories
Please note that the return shipping cost is to be paid by the customer.
Read our full Returns, Warranty & Terms of service by clicking here
SHIPPING
We offer a range of delivery options to suit your purchasing needs. The options are presented to you at the checkout, in an easy to understand way.
Most orders for In-Stock items are shipped within 1 to 3 business days (Monday to Friday, except bank holidays), subject to stock availability and security checks. Please ensure you provide a valid phone number for us to contact you should verification of your identity be required.
For More information about our Shipping Policy please click here

Satri Circuit Lab HDA-5520 MK2

The SCL HDA-5520 MK2 is a portable headphone amplifier powered by 12 AA Batteries. Improving on the incredibly popular SCL 5520, the MKII Version greatly improves the popular features of the predecesor, including a great increase in battery life and in the quality of the components used.


Portable Amplification Made Better
- Up to 10 times louder: Improved sound quality
- Upgraded the output terminal from 3.5mm to 6.3mm: good durability and use of conversion terminal.
- Upgraded the 3.5mm terminal on the rear input to a high-end, high durability connector.
- Upgraded Bakelite Knob Equipped

Upgraded Rechargeable Batteries
This model of the SCL 5520 MKII comes upgraded with 4x 18650 rechargeable batteries.
Technical Specifications