Field Test · Studio Gear Review
OneOdio Pro 40 Silver
In-depth technical analysis of OneOdio’s Pro 40 Silver closed-back headphones
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Spec Sheet
- Wired
- Circumaural
- Closed
- Dynamic
- Frequency range: 20 Hz – 40 kHz
- Impedance: 32 Ohm
- Sound pressure level: 110 dB
- Driver size: 50 mm
- Cable routing on one side
- Detachable cable
- Colour: Silver/Brown
- Includes 3 m spiral cable 3.5 mm to 6.3 mm jack, cable with built-in microphone 3.5 mm to 3.5 mm jack and carrying bag
Studio Log
| Available since | September 2023 |
|---|---|
| Item number | 568523 |
| Sales Unit | 1 piece(s) |
| Design | Over-Ear |
| System | Closed Back |
| Impedance | 47 Ohms |
| Frequency range | 15 Hz – 40000 Hz |
| Adaptor | No |
| Replaceable Cable | Yes |
| Colour | Silver |
| Max. SPL | 110 dB |
| Type Of Connector | Jack, mini-jack |
| Weight | 0 g |
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QC Pass — Field Test
Customer Review Summary
Introduction
The OneOdio Pro 40 Silver, launched in September 2023, is a closed-back over-ear headphone designed for users seeking high-resolution audio on a budget. Priced around £40, these headphones promise a strong feature set including a wide frequency range, detachable cables, and a design catering to comfort during extended sessions.
Design and Build Quality
The Pro 40 Silver sports a circumaural (around-ear) design with a closed-back system, providing passive noise isolation suited to home studios and quiet listening environments.
Its 50mm dynamic drivers sit under thick cushioning that extends comfort even for prolonged use. Despite the lightweight construction, primarily plastic, the headphones feel robust enough for daily handling. The folding mechanism adds portability, complemented by a supplied carrying bag.
One notable design feature is the dual-ended detachable cable system. It includes a 3m spiral cable with one end terminating in a 6.3mm jack and the other in a 3.5mm jack, allowing connection versatility without the need for adapters. Additionally, a straight cable with an inline microphone is provided for mobile use.
Technical Specifications
- Driver size: 50mm dynamic drivers
- Frequency response: approximately 15 Hz to 40,000 Hz, covering an extended range for detailed audio reproduction
- Impedance: 32 to 47 Ohms, enabling compatibility with various audio sources
- Max sound pressure level (SPL): 110 dB, sufficient for monitoring and casual listening
- Connectivity: Wired, using mini-jack and standard jack connectors
- Weight: Not specified but described as lightweight
Sound Performance
The audio profile leans towards a clear, high-resolution sound capable of handling detailed mixes and mastering tasks. The headphone delivers defined highs and mids with a slight emphasis on bass, which some users describe as pronounced but suitable for genres requiring punchy low-end presence.
Users have praised the sound quality for both guitar amplification monitoring and casual listening, citing clarity without distortion at reasonable volume levels. The 110 dB max SPL ensures loud playback without noticeable compression or fatigue, although caution is advised to avoid hearing strain during prolonged exposure to very high volumes.
While some reports mention a somewhat bass-heavy character, this may appeal to listeners seeking a fuller sound. The closed-back construction effectively minimizes ambient noise, aiding focus in studio environments.
Comfort and Usability
Comfort receives positive remarks, with ample padding on ear cups and headband accommodating various head shapes, including users wearing glasses. The circumaural design reduces pressure directly on the ears, though the thick cushioning may compress slightly under extended use.
The included cables facilitate a wide range of applications from studio interfaces (via 6.3mm) to everyday devices (via 3.5mm), eliminating common issues with headphone adapters.
Summary
At approximately £40, the OneOdio Pro 40 Silver offers a compelling package for users needing reliable closed-back headphones with studio features. Its broad frequency response and comfortable design suit both audio professionals on a budget and enthusiasts looking for detailed sound. The unique cable system enhances connectivity convenience, while the build quality, though primarily plastic, meets expectations for this price point.
Potential buyers should note the slightly elevated bass emphasis and consider the headphones’ fit relative to their personal preference. Overall, the Pro 40 Silver stands out as a versatile, affordable choice for monitoring, mastering and general listening tasks.
