It was originally published in October 2018 on headfi. RHA CL2 paired with a Sony WM1A. The RHA CL2 returns with some similarities to the divisive CL1, but it’s got a lot more cool stuff going on. RHA has designed an impressively bite-sized planar magnetic driver for the CL2. RHA CL2 Planar Bluetooth ($899 USD) ... With their lush frequency response and exacting detail, they make a strong case for being the best headphones in the closed-back category. Fit The CL2 are fairly small IEMs, that require deep insertion and some tip rolling to find the best isolation and SQ. It helps to note that included in the package is a neckband-style Bluetooth MMCX cable with a 12-hour battery life, as well as 3.5 and 2.5 cables. Fit and finish are immaculate, the hi-fi pedigree is strong, and the personal sense of exclusivity when worn in public is second to none. Because many planar magnetic headphones have a more even frequency response, many listeners report a more clear sound (due to low distortion and no over or under-emphasis). RHA CL2 paired with a Sony WM1A. Some axioms: Frequency response isn't everything, but it is important. PW Audio 1960s 2 wire 4.4mm copper cable. However, we can’t make any statements on what the CL2 sound like just yet. If it's not on the list, it doesn't exist. In audio equipment, the frequency response describes the ability of a product to reproduce sound of different frequencies. In-Ear Fidelity. RHA CL2. For example, RHA’s audio products produce frequency ranges between 16Hz-22kHz, meaning that they are able to produce the full spectrum of frequency responses which humans are able to detect. Check back once we find a pair to test. The CL2 Planar in-ear headphones offer a wide 16 Hz to 45 kHz frequency response, 15 ohms impedance and 89 dB sensitivity RHA View gallery - 6 images Engineered with Planar magnetic technology, these CL2 headphones by RHA offers fully portable, high-fidelity audio. Reddit. PW Audio 1960s 2 wire 4.4mm copper cable. Ears are beautiful things, but we hear with our brains and brains can be pretty darn stupid. But you can't underestimate the importance of that frequency response. Frequency range: 16 Hz – 45,000 Hz; Disclaimer I have purchased and paid the full retail price for the CL2, this is not a sponsored review. Home; Rankings. To start, RHA supplied a basic frequency response for the CL2: CL2 Frequency Curve (supplied by RHA) The peak around the 2k-6k exactly goes along with what I noticed. Thus, so long as the official frequency response chart is accurate, the price tag is beyond justified. RHA commented on this, saying that they settled on this tuning because this upper mid-range sounded overshadowed by the lower frequencies without it. If you didn't volume match, how can you be sure you heard a difference? Boasting injection-moulded ceramic housing with MMCX detachable connections, this pair comes with 2 cables and a 12-hour SecureFlex Bluetooth neckband for both a wired and wireless option. Demo units courtesy of: Frequency Response measurements and graphs for In-Ear Monitors (IEMs) and earphones. If the tuning works for you, there's really not much else to criticize about these headphones; if the tuning sounds off to your ears, then nothing else really matters. Full size : Magnepan 1.7i, two Bryston 7BST monoblocks, RME ADI‑2 DAC. The CL2 are fairly small IEMs, that require deep insertion and some rolling. 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