Stax
STAX SR-003MK2 + SRM-D10 II
Best portable electrostatic setup for discerning audiophiles seeking uncompromising mobile sound.
Immerse yourself in high-fidelity audio with the STAX SR-003MK2 + SRM-D10 II set. The SR-003MK2 electrostatic in-ear headphones deliver exceptional detail thanks to their ultra-thin diaphragm. Paired with the SRM-D10 II DAC/Amplifier, enjoy high-resolution playback supporting DSD256 and PCM 384kHz/32-bit. Its robust 580V DC bias output and premium components ensure a wide dynamic range. With versatile USB Type-C and 3.5mm analog inputs, this portable combination is perfect for audiophiles seeking uncompromising sound quality on the go.
$1140.00
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Owner Satisfaction
4.7
/ 5
Category Rank
74
/ 5531
#74 in Headphones
Price vs Category Average
+94%
Above average
SR-003MK2 Type
Electrostatic push-pull in-ear speaker, canal type
/ Electrostatic push-pull in-ear speaker, canal type
Who it's for
- Audiophiles demanding reference-grade sound quality while traveling
- Critical listeners seeking unmatched clarity and micro-detail retrieval
- Collectors wanting the unique speed and precision of electrostatic drivers
Who should skip it
- Budget-conscious buyers looking for high-value audio equipment
- Commuters needing rugged gear for daily, rough-and-tumble use
- Users wanting to mix and match with existing amplifier setups
Performance breakdown
Audio Resolution
High-fidelity playback handles DSD256 and 32-bit files with surgical precision.
Transient Response
Ultra-thin electrostatic diaphragms capture lightning-fast musical details effortlessly.
Portability
Compact design brings uncompromising electrostatic sound to your daily commute.
Build Quality
Robust aluminum alloy chassis ensures durability for frequent travel use.
Drive Capability
Powerful 580V bias output drives STAX PRO headphones with absolute authority.
Connectivity Versatility
USB-C and analog inputs offer seamless integration with modern digital sources.
Key Specs
SR-003MK2 Type
Electrostatic push-pull in-ear speaker, canal type
SR-003MK2 Frequency Response
20 - 20 kHz (±4 dB)
SR-003MK2 Static Capacity
44pF (including attached code)
SR-003MK2 Sound Pressure Sensitivity
110 dB/100 V rms/1 kHz
SR-003MK2 Bias Voltage
550 V – 580 V
SR-003MK2 Cable
5-pin for STAX PRO bias, 6-core parallel, 1.5 m total length
SR-003MK2 Weight
38 g (including code), 12 g (main part only)
SRM-D10 II Nominal Input Level
230 mV (100 V output)
Features
- Exceptional clarity with ultra-thin diaphragm
- High-resolution audio support (DSD256, PCM 384kHz/32-bit)
- Powerful 580V DC bias output
- Premium amplifier and DAC integration
- Durable aluminum alloy chassis
- Versatile USB Type-C and 3.5mm inputs
- Designed for all STAX PRO headphones
- Portable audiophile-grade sound
What customers say
Customers consistently praise the STAX SR-003MK2 + SRM-D10 II for its exceptional audio fidelity, delivering a remarkably clear and detailed sound signature. Many highlight the system's ability to provide a true electrostatic experience in a uniquely portable package. Users appreciate the distinct sonic transparency and spaciousness, often noting its impressive performance for its size. The combination offers a compelling blend of high end sound and practical mobility, making it a favorite for discerning listeners seeking top tier audio on the go. This pairing successfully brings Stax's renowned sound to a more accessible, everyday format.
Know before you buy
Yes, the SRM-D10 II features a 580V DC bias output, making it fully compatible with all STAX PRO-type electrostatic headphones.
The SRM-D10 II is designed for portability and features an internal battery, allowing it to function as a standalone DAC/amplifier without needing a constant external power connection.
The integrated DAC supports high-resolution audio, including DSD files up to DSD256 and PCM files up to 384kHz/32-bit, ensuring compatibility with most high-fidelity digital formats.
The SR-003MK2 are lightweight, in-ear electrostatic monitors weighing only 12 grams for the main unit. Because they are canal-type headphones, comfort will depend on your personal preference for in-ear fit, but their minimal weight is designed to reduce fatigue.
Yes, you can connect via the USB Type-C input for digital audio or use the 3.5mm analog input if your device has a headphone jack or a compatible adapter.
Electrostatic headphones use an ultra-thin diaphragm that reacts much faster than traditional drivers. This results in exceptional detail, clarity, and a transparent sound profile that is highly regarded by audiophiles.
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$1140