---
title: PCBuilder CAST STEADY Microphone Boom Arm
date: 2025-09-29T15:12:35Z
modified: 2026-05-22T09:05:58Z
permalink: "https://tech.co.za/product/pcbuilder-cast-steady-microphone-boom-arm/"
type: product
status: publish
excerpt: "Designed for streamers, podcasters, and content creators seeking a pro-grade setup\\nIdeal for use with the PCBuilder CAST CORE and CAST ULTRA USB Gaming Microphones\\nWorks with 3/8\", 5/8\", and 1/4\" threads - compatible with most mics and accessories"
wpid: 553062
product_brand:
  - PCBuilder
product_type:
  - simple
product_visibility:
  - featured
product_cat:
  - Accessories
  - Racks Mounts & Accessories
featured_image: "https://tech.co.za/wp-content/uploads/2025/09/PCB-MBA-CAST-STEADYa.jpg"
---

Take your content setup to the next level with the PCBuilder CAST STEADY Microphone Boom Arm – a premium desk mic arm designed to deliver smooth performance, rock-solid stability, and pro-level flexibility for gamers, streamers, podcasters, and creators. Whether you’re recording gameplay, hosting a podcast, or producing content for YouTube, TikTok, or Twitch streaming, this versatile streaming mic arm ensures your microphone stays exactly where you need it – no drooping, no readjusting, no distractions.

Crafted from a durable blend of aluminium alloy and high-quality ABS, this desk mic arm combines strength and sleek aesthetics with ease. Its self-locking design holds your mic in place with perfect tension, so once you position it, it stays – letting you focus on delivering great content. Plus, the whisper-quiet joints and fluid movement eliminate creaks and bumps, keeping your audio clean and professional.

Engineered for maximum compatibility, the CAST STEADY supports 3/8″, 5/8″, and 1/4″ thread sizes. Whether you’re using a PCBuilder CAST CORE, a CAST ULTRA USB mic, or another brand, this desk mic arm has you covered – no need for extra adapters or complicated setup.

What sets this podcast mic arm apart is its smart, user-focused design. A quick-release mechanism allows for fast gear swaps, making it easy to switch between mic setups or accessories on the fly. The built-in cable channel keeps your workspace tidy by routing your cables cleanly through the arm – ideal for creators who care about both performance and presentation.

Thanks to its 360° swivel and extended vertical (77.5cm) and horizontal (75cm) reach, the PCBuilder CAST STEADY gives you complete control over your mic’s position. The upper arm offers a tilt range from 90° to -50°, allowing for precision adjustments whether you’re seated at your desk or standing for a dynamic shoot. Compatible with surfaces 15–105mm thick, this streaming mic arm fits securely on most desks and supports mics up to 2.5kg – ideal for both lightweight USB mics and heavier professional gear.

This isn’t just another desk mic arm – it’s a serious upgrade for any creator’s setup. Whether you’re a gamer building your first rig, a podcaster looking to improve sound quality, or a seasoned content creator in need of reliable gear, the CAST STEADY delivers. Smooth, silent, and strong, it’s the podcast mic arm that helps you sound your best – and the streaming mic arm your audience deserves.

Elevate your workflow. Declutter your space. The PCBuilder CAST STEADY Microphone Boom Arm is your next step toward pro-level content creation. Elevate your setup and sound like a pro, every time you go live.

### FEATURES:

- Designed for streamers, podcasters, and content creators seeking a pro-grade setup
- Ideal for use with the PCBuilder CAST CORE and CAST ULTRA USB Gaming Microphones
- Works with 3/8″, 5/8″, and 1/4″ threads – compatible with most mics and accessories
- Built-in cable channel keeps your workspace clean and distraction-free
- Quick-release design makes switching gear fast and effortless
- Flexible height and positioning lets you fine-tune your mic setup exactly how you want it
- Auto-locking arm holds its position perfectly – no slipping, no adjusting
- Glides silently and smoothly, so your recordings stay crisp and interruption-free

### SPECIFICATIONS:

- Colour: Black
- Material: Aluminum alloy & ABS
- Compatible thread sizes: 3/8″, 5/8″, & 1/4″
- Cable channel: Yes
- Self-locking: Yes
- Supported mounting surfaces: 15-105mm thick
- Horizontal reach: 75cm
- Vertical reach: 77.5cm
- Swivel angle: 360°
- Upper arm tilt angle: 90° to -50°
- Load-bearing capacity: Up to 2.5kg
- Product Dimensions: 77.5 x 3 x 3 cm
- Product Weight: 2.1 kg

### WHAT’S IN THE BOX:

- PCBuilder CAST STEADY Microphone Boom Arm x 1
- Quick microphone mounting system x 1
- C-clamp mount x 1
- Grommet mount kit x 1
- 3/8” to 5/8“ adapter (pre-installed) x 1
- 3/8” to 1/4″ adapter x 1
- Riser poles x 2
- Allen key x 1
- User manual x 1