Grado RS1 Classic vs Grado SR325 Classic

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

RS1 Classic compared with SR325 Classic

	GradoRS1 Classic	GradoSR325 Classic
Overview
Released
Released	March 2026	March 2026
Sound
Type
Type	On-ear	On-ear
Noise cancelling
Noise cancelling	No	No
Driver size
Driver size	50 mm	44 mm
Back
Back	Open	Open
Impedance
Impedance	38 ohms	38 ohms
Bluetooth codecs
Bluetooth codecs	None (wired)	None (wired)
Drivers
Drivers	50 mm X2 dynamic, Mylar diaphragm, copper voice coil, rare earth magnet; open air; 12 Hz – 30 kHz; 99.8 dB SPL at 1 mW; drivers matched to 0.05 dB	44 mm X2 dynamic, Mylar diaphragm, copper voice coil, rare earth magnet; open air; 18 Hz – 24 kHz (listed as "18-24kHz"); 98 dB SPL at 1 mW; drivers matched to 0.05 dB
Battery
Listening time (maker's claim)
Listening time (maker's claim)	No battery (wired)	No battery (wired)
Design
Weight
Weight	–	280 g
Headphone cable
Headphone cable	Yes	Yes
Fit and ear tips
Fit and ear tips	On-ear, open-back; L cushions; Signature Gold headband assembly with engraved aluminium alloy gimbals, stainless steel height rods, aluminium junction blocks, leather headstrap and adjustable steel spring band; tri-wood housing of cocobolo, hemp and maple; Grado publishes no weight	On-ear, open-back; F cushions; Signature Silver headband assembly with reinforced polymer gimbals, leather headstrap and adjustable steel spring band; machined aluminium housings; weight 280 g (What Hi-Fi; Tom's Guide lists 14 ounces)
Works with
Works with	Fixed Signature Silver cable; XLR termination optional at purchase	Fixed Signature Silver cable, about 2 m (What Hi-Fi), with 3.5 mm plug and 6.3 mm adapter (Tom's Guide)