Oppo PM-1 review

Possibly the best headphones ever created by man, but ye gods they're expensive!

Oppo PM-1
Editor's Choice

Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you’re buying the best. Find out more about how we test.

Oppo PM-1: specifications

Acoustic Principle: Open back

Ear Coupling: Circumaural

Nominal Impedance: 32 Ohm

Sensitivity: 102 dB in 1 mW

Clamping Pressure: 5 N

Cables:

3 m detachable OCC cable (6.35 mm)
1 m detachable OFC cable (3.5 mm)

Cable Connectors:

Output: 2.5 mm mono mini jacks
Input: 6.35 mm stereo jack, 3.5 mm stereo jack

Weight: 395 g (without cable)

Included Accessories:

Wooden Box
Carrying Case
6.35 mm and 3.5 mm cables
Alternative set of velour ear pads
User Manual

Driver specifications

Driver Type: Planar Magnetic

Driver Size (Oval): 85 x 69 mm

Magnet System: Symmetric push-pull neodymium

Frequency Response In Free-Field: 10 - 50,000 Hz

Long-Term Max Input Power: 500 mW according to IEC 60268-7

Pulse Max Input Power: 2 W

James Rivington

James was part of the TechRadar editorial team for eight years up until 2015 and now works in a senior position for TR's parent company Future. An experienced Content Director with a demonstrated history of working in the media production industry. Skilled in Search Engine Optimization (SEO), E-commerce Optimization, Journalism, Digital Marketing, and Social Media. James can do it all.

Latest in Headphones
The Apple AirPods 4 on a blue background with text saying Lowest Price.
AirPods 4 are down to $99 again, but there's a better AirPods Pro 2 deal that I'd buy
Sony WH-1000XM4 Wireless Premium Noise Canceling Overhead Headphones in black on orange background with price cut text
Save $100 on the Sony WH-1000XM4 - our best headphones for most people
AirPods Pro 2 out of their case on a wooden surface
Camera-toting AirPods with Apple Intelligence said to be in active development – but the idea may be too flawed to take off
A screen shot from a promotional video showing the HealthBuds fitness tracking earphones from Synseer
These mysterious wireless earbuds claim to monitor your heart and hearing health simultaneously, but there’s a catch
Sony WH-CH520 Wireless Bluetooth Headphones in cappuccino color on cyan radar background with price cut sign
These excellent cheap Sony headphones are now just $38 at Amazon
The Apple AirPods 4 on a blue background with text saying Lowest Price.
Quick! The Apple AirPods 4 are back down to under $100 at Amazon
Latest in Reviews
Alienware 27 AW2725Q monitor on desk displaying a scene from Cyberpunk 2077
I played games with Alienware's new 27-inch 4K OLED monitor and now I don't want to see another LCD panel
MacBook Air 15-inch with M4 chip on a creative's desk with screen open
I've reviewed the Apple MacBook Air 15-inch (M4) - and it remains the best 15-inch laptop I'd recommend for most people
Samsung Music Frame on a table beside some books and a vase
I spent six weeks listening to the Samsung Music Frame and it kept missing the beat
GlocalMe KeyTracker
When I tested this global tracker, it trounced the Apple AirTag in so many ways
Groov-e Boston DAB radio on a wooden table
I tested this affordable DAB radio and, sadly, its tinny output made me think of every car garage I've ever been to
An AMD Ryzen 9 9950X3D on its retail packaging
I've reviewed three generations of 3D V-cache processors, and the AMD Ryzen 9 9950X3D is the best there is