PCBuilderCast Ultra USB Gaming Microphone and Cast Steady Boom Arm

About

Elevate your audio experience with the PCBuilder CAST ULTRA USB Gaming Microphone, the ultimate tool for gamers, streamers, podcasters, and content creators. Featuring 4 selectable polar patterns, including stereo, omnidirectional, cardioid, and bidirectional, you can now accurately capture audio inputs in any recording scenario. This versatile microphone allows you to easily switch between recording polar patterns, making it a great choice for studio usage.

Take your setup to the next level with the PCBuilder CAST STEADY Microphone Boom Arm, a premium desk mic arm built for gamers, streamers, podcasters, and creators who demand stability, flexibility, and clean audio. Crafted from durable aluminium alloy and ABS, its self-locking, whisper-quiet design keeps your mic perfectly positioned with smooth, silent movement and no drooping. With wide compatibility (3/8″, 5/8″, and 1/4″ threads), a quick-release system, built-in cable management, full 360° swivel, and extended reach, CAST STEADY fits most desks and supports mics up to 2.5kg. Sleek, strong, and reliable, it’s the pro-level upgrade that declutters your space and helps you sound your best every time you go live.

Product Features

Microphone

• 4 Interchangeable polar pattern modes to find your perfect sound
• Three diaphragm pickups for studio-level sound quality
• One-key audio control for convenient volume and gain adjustment
• High-quality sound card with a 3.5mm headphone jack for real-time monitoring
• Dynamic lighting effects with a colourful gradient for ambience
• Universal and versatile high-speed USB interface for quick and stable connections
• Compatible with Windows, MacOS, iOS (with OTG adapter), & Android (with OTG adapter)
• Sturdy desktop stand with swivel

Boom Arm

• 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

Product Specifications

Microphone

• Polar Pattern: Cardioid, Stereo, Bidirectional, & Omnidirectional
• Diaphragm: 3x 14mm capacitive microphone cores
• Frequency: 40Hz-20KHz
• Sensitivity: -42dB±2dB@1KHz
• Signal-to-noise Ratio (SNR): ≥65dB
• Maximum Sound Pressure Level (SPL): 120dB (1KHz ≤1% THD)
• Sampling Bit Rate: 16-bit/24-bit
• Sampling Rate: 48KHz/96KHz/192KHz
• Total Harmonic Distortion (THD): <0.1%
• 3.5mm AUX
• Headphone Jack: 3.5mm stereo
• Output Power (RMS): 50mW
• Frequency: 20Hz-20KHz
• Signal-to-noise Ratio (SNR): ≥90dB
• Total Harmonic Distortion (THD): <0.5% (1mW)
• Impedance: ≥16Ω
• Decoding Bit Rate: 16bit/24bit
• Decoding Sampling Rate: 48KHz/96KHz/192KHz
• Charging Input: Type-C (5V/350mA)
• Data Interface: USB 2.0, Type-C
• Lighting Effects: 7 dynamic colour-types
• Nesting Doll-style Boom Arm Stand Thread Adapter: 1/4″ Screw Thread Adapter
• Compatibility: PC, MacOS, iOS (with OTG adapter), & Android (with OTG adapter)
• Material: ABS & Zinc alloy
• Product Dimensions: 11.1 x 11.1 x 19.7 cm
• Product Weight: 588g

Boom Arm

• Colour: Black
• Material: Aluminium 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

Warranty

• 12 months

What's in the Box?

• 1x PCBuilder CAST ULTRA USB Gaming Microphone
• 1x USB Type-C to Type A Cable (1.6 metres)
• 1x 1/4″ Screw Thread Adapter
• 1x PCBuilder CAST STEADY Microphone Boom Arm
• 1x Quick microphone mounting system
• 1x C-clamp mount
• 1x Grommet mount kit
• 1x 3/8” to 5/8“ adapter (pre-installed)
• 1x 3/8” to 1/4″ adapter
• 2x Riser poles
• 1x Allen key
• User manual