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RHA Audio CL1 Ceramic 2-Driver In-Ear Earphone

RHA Audio CL1 Ceramic 2-Driver In-Ear Earphone

  • CL Dynamic transduccer for accurate bass and mids

  • Ceramic Plate transducer delivers crystal clear harmonics

  • Durable injection moulded zieconium design

  • Secure locking sMMCX connection with mouldable ear hooks

  • Includes single ended 3.5mm cable & balanced mini XLR cable

  • 3 year warranty



CL1 Ceramic
Precision in-ear headphone with CL Dynamic + Ceramic Plate Transducers

The dual transducer configuration combines the precision CL Dynamic and dedicated high frequency ceramic plate driver for true-to-life sound. With a crossover configured at 8kHz, the ceramic plate driver controls high frequencies whilst the CL Dynamic transducer delivers unprecedented accuracy in bass and midrange frequencies.

Crafted from ceramic
Injection moulded ZrO₂ housings

The ergonomic, high density housings of the CL1 are created using ceramic injection moulding, a complex seven stage process. This results in a striking, extremely durable in-ear headphone with low acoustic chamber resonance, eliminating distortion.

Detachable cables
Custom and secure design

The CL1 features a detachable cable system using custom, locking sMMCX connections for contact efficiency and durability. The CL1 is supplied with RHA’s silver wrapped Ag4x balanced cable with 4pin Mini XLR termination for use with Dacamp L1, in addition to a braided high-purity OFC cable with 3.5mm and 6.35mm terminations.

Premium cable construction
High grade materials for pure transmission

The CL1 Ceramic is supplied with two cables. The Ag4x cable uses silver, a highly conductive metal, and oxygen-free copper, and is fully balanced; each channel, left and right, positive and negative, stays entirely separate from the the source device to transducer housings. This cable terminates in a 4-pin Mini XLR connection designed for use with the Dacamp L1. The high purity OFC cable is also channel separated to eliminate risk of cross channel interference, and features both 3.5mm and 6.35mm terminations for use with a wide range of audio equipment.

Perfect fit
Refined, mouldable ear hooks

Featuring fully mouldable over-ear hooks designed to hold the headphones in position with the cable running over and behind the ear. The tri-material design can be moulded to the exact contours of a user's ear to ensure a secure fit, and position the transducer housings for effective noise isolation.

Technical Specifications

Additional Information

Package Contents
  • CL1 Ceramic in-ear headphone
  • 6 pairs, dual density ear tips - S x2 / M x2 / L x2
  • 2 pairs, double flange ear tips - S x1 / L x1
  • 3 pairs, memory foam ear tips S x1 / M x1 /L x1
  • Stainless steel ear tip holder
  • Premium carry case
  • 6.35mm adapter
Colour Black
Warranty 3 years (local)
Product Weight (g) 14
Product Type Earphone
Style/Type Universal In-Ear
Features High-Res Audio Certified
Driver Configuration 2-Drivers (Dynamic)
Frequency Response (Hz) 16-45,000Hz
Impedance (Ω) 150 ohms
Sensitivity 89dB
Headphone Design Closed-Back
Cable Style Wired (for 3.5mm devices)
Cable Length (cm) 135cm
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