


API ASM164 Summing Mixer
The ASM164 is a 16-channel analogue mixer that provides API summing performance in a convenient 19-inch rack format. With a design based on the summing section of THE BOX Console, the ASM164 is designed for professional project studios, home studios, and production facilities of all kinds. The ASM164 is designed to provide the legendary API sound in an efficient, cost effective package.
- 16 Analogue Summing Channels
- Balanced, Line-Level, DB-25 Connectors
- Global 0dB Channel Level Control Bypass
- Proprietary API 2510 Input OpAmps
- Insert Send/Return On Each Channel
- 4-Segment LED Level Meters
- 2 Stereo Program Buses - Mix-A and Mix-B
- Each Channel Assignable to Mix-A and/or Mix-B
- Continuously Variable Panning With Center Detent
- 31-Step Detented Level Control
- Balanced Stereo External Input (Assignable to Mix-A and/or Mix-B)
- Signature API 2520 OpAmps and Proprietary Output Transformers
- Analogue Stereo Output Level VU Meters
- Comprehensive Rear Panel Connections with Balanced In/Out
- External Power Supply
Product Overview
Product Specifications
Product Videos
Shipping Information
We provide free shipping on most items and Next Day delivery on all orders completed before 12pm (noon!) so you don’t have to pay extra or wait long to start enjoying your new equipment.
We use DPD to ship the majority of our orders within the UK. International locations will vary, learn more here.
Product Support
We work with some of the world’s leading audio manufacturers to provide everything from the trusted studio classics to modern, innovative technologies that help you to push sonic boundaries. We pride ourselves on offering the best support both before and after sale. If you have any questions, please get in touch.

API ASM164 Summing Mixer
New Gear FAQs
Are all new items in stock?
With such a wide range of products we cant stock everything at all times.
The product page will display if an item is in stock. If it is marked as pre-order, you can place your order as normal and await its arrival into stock.
Please get in touch for an estimated shipping date. This may vary depending on stocking level with the manufacturer and/or distributor.
What warranty do you get with new gear?
Minimum 1 year manufacturer's warranty. Some manufacturers may also extend this (please see their respective websites for more information).
Can I part exchange used gear towards new gear?
Of course! Whether youre just looking to sell unused gear or looking to upgrade, get in touch here to discuss.
Can I test the equipment before I buy it?
We have a demo room at MNPA HQ where you are welcome to come and try out the equipment we have in stock. We’re not a shop and open to the general public so please get in touch via our Contact Form to book an appointment before coming to see us.
