Skip to content

Choose currency / region

Prices, taxes and checkout currency follow the selected region.

Shop Hardware
Studio Essentials
Audio Interfaces
Master Clocks
Cables & Looms
Patchbays
Power Conditioners & Distribution
DAW Controllers
Acoustics
Furniture
Tubes
Portable & Field Recorders
Multitrack Recorders
Podcasting
Video Recorders
Recorder Accessories

Microphones
FET Condenser
Tube Condenser
Ribbon
Dynamic
Stereo Pairs
Capsules
USB & Mobile Microphones
Stands & Mounts
Accessories

Monitors
Active Monitors
Passive Monitors
Single Monitors
Install Monitors
Power Amplifiers
Subwoofers
Monitor Controllers
Room Correction
Stands & Isolation
Spares

Headphones
Closed-Back Headphones
Open-Back Headphones
Headphone Amplifiers
Headphone Systems
Accessories

Outboard
Digitally Recallable
Dynamics
Equalizers
Effects
Mic Preamps
DI Boxes
Saturation
Mid/Side
Summing
Equipment Racks
Power Supplies
Blank Plates
Other
Accessories

500 Series
Racks & Chassis
Digitally Recallable
Dynamics
Equalizers
Effects
Mic Preamps
Mid/Side
Saturation
Summing
Blank Plates
Other
DI Boxes

Consoles & Mixers
Analogue Mixers
Digital Mixers
Accessories
Neve
Solid State Logic
Rupert Neve Designs

Synths & Keyboards
Analogue
Digital Keyboards
Modular
MIDI Controllers

Effects & Pedals
Guitar & Bass Effects
Acoustic Effects
Vocal Effects
Accessories
Shop Software
Create
DAWs & Recording
Virtual Instruments
Notation & Scoring
Video Editing

Mix & Effects
All Plug-ins
EQ & Filters
Compressors & Limiters
Channel Strips
Reverb & Delay
Saturation & Distortion
Modulation & Creative Effects

Finish & Explore
Mastering
Audio Repair & Dialogue
Utilities & Upgrades
Plug-in Bundles

Software Brands
Avid
FabFilter
Ferrofish
Freqport
iZotope
McDSP
Moog
Neuratron
Rupert Neve Designs
Soundtoys
Steinberg
Trinnov
Undertone Audio
Weiss
Brands
- All brands
- Featured brands
- Amphion
- Audeze
- ATC
- BAE
- Empirical Labs
- Genelec
- IGS Audio
- Neve
- PMC
- Rupert Neve Designs
- Royer Labs
- SSL
- Steven Slate Audio
- Telefunken Elektroakustik
- Thermionic Culture
- Trinnov
- WesAudio
Info & FAQs
Videos
Offers
Clearance
- B-Stock & Ex-Demo
- Used
Trade-ins

FREE UK shipping on orders over £99

1-hour delivery window on most UK orders

We ship internationally with FedEx

feefo Platinum ★★★★★

- All brands
- Featured brands
- Amphion
- Audeze
- ATC
- BAE
- Empirical Labs
- Genelec
- IGS Audio
- Neve
- PMC
- Rupert Neve Designs
- Royer Labs
- SSL
- Steven Slate Audio
- Telefunken Elektroakustik
- Thermionic Culture
- Trinnov
- WesAudio
Videos
Offers
Clearance
- B-Stock & Ex-Demo
- Used
Trade-ins

Login

Studio Essentials
Microphones
Monitors
Headphones
Outboard
500 Series
Consoles & Mixers
Synths & Keyboards
Effects & Pedals

Create
Mix & Effects
Finish & Explore
Software Brands

All Brands
Amphion
Audeze
ATC
BAE
Empirical Labs
Genelec
IGS Audio
Neve
PMC
Rupert Neve Designs
Royer Labs
SSL
Steven Slate Audio
Telefunken Elektroakustik
Thermionic Culture
Trinnov
WesAudio

Meet SX Pro
Technical Support
Returns
Shipping
Finance
Contact Us

B-Stock & Ex-Demo
Used

Cart

Your cart is empty

Start shopping

Add order note

Home
Shop Hardware
500 Series
DI Boxes

DI Boxes

1 product

Sort by

Sort by

Featured Most relevant Best selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, old to new Date, new to old

API 505-DI

API 505-DI

Sale price£595.00

SX Pro

Professional studio gear, real-world advice and support from people who work with recording equipment every day.

Get the latest gear, news and offers.

Email address

Speak to an expert

0800 6522 320

The Professionals’ Choice

Carefully chosen microphones, monitors, outboard, interfaces, consoles and studio essentials for engineers, producers and musicians.

Instagram YouTube Facebook

Shop

Studio Monitors
Microphones
Outboard
Audio Interfaces
All Categories
Offers & clearance

Help

Contact
Shipping
Returns
Finance
All Brands

Contact

0800 6522 320 sales@sxpro.co.uk Letchworth, Hertfordshire Expert advice before and after purchase.

Buy with confidence

© 2026 SX Pro. The Professionals’ Choice.

SX Pro is a trading name of Studioxchange Limited, registered in England and Wales (Company No. 06530468). Registered office: Unit 5 Focal Point, Lacerta Court, Letchworth Garden City, Herts, England, SG6 1FJ. VAT Registration No. GB 934 5181 22.

Studioxchange Limited is authorised and regulated by the Financial Conduct Authority for consumer credit activities (FRN 778575). We are a credit broker, not a lender.

Privacy policy Terms of service Refund policy Shipping policy