2025-07-31 23:30
Interphase Audio HELIUM 500

Interphase Audio HELIUM 500

570 £685.00
£570.83 ex VAT
2025-07-31 23:30
Solid State Logic SSL 4K B-DYN 611B Compressor 500 Series Module

Solid State Logic SSL 4K B-DYN 611B Compressor 500 Series Module

457 £549.00 £599.99
£457.50 ex VAT
2025-07-31 23:30
Black Lion Audio Seventeen 500

Black Lion Audio Seventeen 500 Compressor

499 £599.00
£499.17 ex VAT
2025-07-31 23:30
Fredenstein Bento 2 Extension

Fredenstein Bento 2 Extension

145 £174.00
£145.00 ex VAT
2025-07-31 23:30
Zahl Rack 500 Dual 500 Series Chassis

Zahl Rack 500 Dual including PSU

715 £859.00
£715.83 ex VAT
2025-07-31 23:30
Zahl IM1 M/S Insert Master 500 Series Module

Zahl IM1 M/S Insert Master 500 Series Module

1382 £1,659.00
£1,382.50 ex VAT
2025-07-31 23:30
WesAudio Calypso

Wes Audio Calypso

687 £825.00 £979.00
£687.50 ex VAT
2025-07-31 23:30
Trident A-Range 500 EQ

Trident A Range EQ 500

645 £775.00
£645.83 ex VAT
Trident 80B-500 EQ Module

Trident 80B-500 EQ Module

332 £399.00
£332.50 ex VAT
2025-07-31 23:30
Tree Audio TreeQ 4

Tree Audio TreeQ 4 (500 Series)

1041 £1,250.00
£1,041.67 ex VAT
2025-07-31 23:30
Tree Audio TreeQ 2

Tree Audio TreeQ 2 (500 Series)

812 £975.00
£812.50 ex VAT
2025-07-31 23:30
Tree Audio Tree Comp

Tree Audio Comp (500 Series)

957 £1,149.00
£957.50 ex VAT
2025-07-31 23:30
Tree Audio Bax EQ 500

Tree Audio BAX 500 EQ

915 £1,099.00
£915.83 ex VAT
2025-07-31 23:30
Tree Audio 3 on the Tree Dual

Tree Audio 3 in the Tree (Stereo)

3950 £4,740.00
£3,950.00 ex VAT
2025-07-31 23:30
Tree Audio 3 on the Tree

Tree Audio 3 in the Tree (Mono)

2420 £2,904.00
£2,420.00 ex VAT
2025-07-31 23:30
TK Audio BC501 GR 500 Series Stereo Compressor

TK Audio BC501 GR 500 Series Stereo Compressor

841 £1,010.00 £1,078.00
£841.67 ex VAT
2025-07-31 23:30
TK Audio BC501-LTD

TK Audio BC501 500 LTD Series Stereo Compressor

841 £1,010.00
£841.67 ex VAT
2025-07-31 23:30
Tegeler MythEQ

Tegeler MythEQ

582 £699.00
£582.50 ex VAT
2025-07-31 23:30
Standard Audio Stretch

Standard Audio Stretch

607 £729.00
£607.50 ex VAT
2025-07-31 23:30
Solid State Logic VHD+

Solid State Logic SSL VHD+ Mic Pre for 500 Series

432 £519.00
£432.50 ex VAT
2025-07-31 23:30
Solid State Logic E-DYN

Solid State Logic SSL E-Series Dynamics 500-Series Module

499 £598.99 £645.00
£499.16 ex VAT
2025-07-31 23:30
Spectra 1964 STX100 front

Spectra 1964 STX 100

787 £945.00
£787.50 ex VAT
2025-07-31 23:30
Spectra 1964 STX 500

Spectra 1964 STX 500

745 £895.00
£745.83 ex VAT
2025-07-31 23:30
Smart Research C1LA 500-series Compressor

Smart Research C1LA 500-series Compressor

1082 £1,299.00
£1,082.50 ex VAT

A small revolution happened a few years ago when API Audio decided to open up its very popular 500 series format to the industry.

The 500 Series is a modular audio system introduced in the late 1990s by API Audio. It consists of a rack-mounted chassis that can accommodate multiple 500-series modules, which are individual pieces of analogue audio processing equipment. Each module is designed to perform a specific function, such as mic preamplification, equalisation, compression, or reverb, and can be easily swapped in and out of the rack.

The 500 Series has become popular among audio engineers and producers due to its compact size, flexibility, and high-quality sound. It allows users to customise their signal chain by mixing and matching different modules from various manufacturers and is often used in recording studios, live sound reinforcement, and broadcast applications.

Whilst the 500 series in concept is actually taken directly from their console line, this has led to not quite a replacement but certainly an augmentation from pure rack processors to power supply-less modules. Because the power is already provided and the modules are small, they can be cheaper than their rackmount equivalents and sometimes more flexible for different work environments.

This has opened up serious recording devices to even more people and, once again, increased the sonic palette available. Pretty much every processor and style of sound is available for the 500 series.

Mic preamps, compressors and all types of EQ...then there are Filters, Headphone Amps, De-essers, and some AD/DA converters available in this format. 

Check out our  'Is the 500-Series For Me' blog article as it covers many of the FAQ's


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