STAX SR-009D electrostatic earspeakers, hero product shot
STAX SR-009D electrostatic earspeakers, detachable cable detail
STAX SR-009D electrostatic earspeakers, headband arc detail
STAX SR-009D electrostatic earspeakers, MLER electrode detail
STAX

STAX SR-009D Earspeaker

Sale price$2,890.00

The SR-009D brings STAX's MLER electrode technology to a new mid-tier position in the lineup, delivering ultra-low resonance and pristine transparent sound at a price that sits between the SR-L700 MK2 and SR-009S.

Type and Technology

Over-ear, open-back, electrostatic. MLER (Multi-Layer-Electrode) fixed electrode technology for ultra-low resonance and high acoustic uniformity. Pro bias (5-pin) connection. Requires a compatible electrostatic energizer.

Sound Character

Clear, spacious, and highly detailed. The SR-009D delivers STAX's characteristic electrostatic transparency and effortlessness with the improved technical performance of MLER electrode engineering. A refined mid-to-upper tier electrostatic that rewards pairing with a quality energizer.

Best For

Audiophiles stepping up from the SR-L700 MK2 who want improved MLER-based performance before committing to the SR-009S or SR-X9000 tier.

What's in the Box

  • STAX SR-009D earspeaker
  • Pro-bias cable

Specifications

Specification Value
Style Over-ear, open-back
Transducer type Electrostatic
Electrode technology MLER (Multi-Layer-Electrode)
Energizer requirement Pro bias (5-pin)

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