{{ totalProductsCount }}
In cart {{totalProductsCount}} item(s)

In cart {{totalProductsCount}} item(s)

Total:
{{sum | formatAmount}}

Your cart is empty

Minimum search length 3 characters
{{searchQuery.text}}
{{shortcut.title}}
{{searchString}} → {{searchInCategorySuggest.title}}
{{category.title}}
{{category.path}}
AiO.lv Headphone Amplifier Mackie HM-400 Black — THD 0.01%, SNR -66 dB, 6.3 mm output, AC 100–120 V, 483×224×46 mm

User Manual for Headphone Amplifier Mackie HM-400

Headphone Amplifier Mackie HM-400 Photo 1
Short product description: Mackie HM-400 is a compact headphone amplifier designed for monitoring and mixing applications. It features 6.3 mm headphone connectivity, low total harmonic distortion (THD 0.01%) and a signal-to-noise ratio of -66 dB. Input impedance is 20 kΩ, powered from AC (100–120 V, 50–60 Hz). Dimensions 483×224×46 mm, weight 3.6 kg; AC cable included.
Manufacturer: Mackie
{{totalProductsWishes}} {{totalProductsCompare}} {{totalProductsCount}}
We respect your privacy
We use necessary cookies to ensure that the store works correctly. They support the site’s essential functions and are always active. Analytics and marketing cookies are used only with your consent. You can allow all categories or continue using the site with necessary cookies only. When you select “Necessary only”, Google also receives technical pings without analytics cookies: page loads, events and consent status. If you do not want necessary cookies to be used, please leave the site.
We use cookies
Show details
We respect your privacy
We use necessary cookies to ensure that the store works correctly. They support the site’s essential functions and are always active. Analytics and marketing cookies are used only with your consent. You can allow all categories or continue using the site with necessary cookies only. When you select “Necessary only”, Google also receives technical pings without analytics cookies: page loads, events and consent status. If you do not want necessary cookies to be used, please leave the site.
Which cookie files we use?

Necessary cookies enable the site’s essential functions, including authentication and security, saving the shopping cart, placing orders, selecting a language, and retaining other user settings. They are always active because the site cannot work correctly without them. These cookies are not used for analytics or advertising.

Analytics and marketing cookies help us understand how visitors use the site, improve its operation, measure advertising effectiveness, and show more relevant offers. They are used only after you select “Accept all”.
Could not save the cookie settings. Please try again.
warranty
14-Day Return Policy
We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
shipping
Fast Delivery
Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
payment
Secure Payment
Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
warranty
Quality Since 2008
AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.