Lightning to 3.5mm adapter12/18/2023 For example, recently I've been listening to Temples' Volcano (2017, DR6). The volume was strong enough for enjoyment and frequency response was fine although subjectively I thought I could hear a bit more bass in some of the music with a stronger headphone amp. I did listen to a few tracks through the iPhone and this adaptor with my Audio-Technica ATH-M50 headphones (99dB/mW sensitivity) and it sounded decent enough. BTW, I've seen little actual information on the Lightning port, a proprietary Apple digital interface of course, said to be able to transfer data at around 25-35MB/s about the speed of USB2.0. It's also the first time I've put any Lightning port device through the test kit demonstrating yet again that jitter doesn't appear to be an audible issue although obviously that was not the nicest looking Dunn J-Test result I've ever seen. It's "free" with current iPhones and replacement cost is around US$10 at the local BestBuy. Arguably this is the least expensive external DAC I have ever measured. But I think it's useful to measure and have a listen even to something like this in order to obtain perspective on what the "low end" sounds like these days. Like the ubiquitous asynchronous USB DACs that can achieve excellent temporal accuracy these days, I suspect it's the same with these little dongles. ![]() Remember that the audible spectrum from 20Hz-20kHz is relatively low frequency compared to the demands of megahertz and gigahertz electronics these days and great timing accuracy can be achieved without needing "femtosecond" upgrades.Ĭonsidering that this is the first time I've looked at a DAC operating off the Lightning connector, I don't see any concerns (nor did I suspect any issue). As I've said in the past, jitter isn't really a problem these days for DACs. We also see a pair of low-level sidebands. There's some "skirting" of the primary frequency suggesting the presence of low-level timing anomaly. Not the best but far from terrible! A bit of low-level noise in the noise floor of the 16-bit version which drowns out the usual square wave jitter modulation tone in the LSB. Oscilloscope, Impulse Response, and Digital Filter Composite Since I didn't find any meaningful difference between the iPhone and iPad measurements, apart from the impulse response and square wave, the rest were recorded from the iPhone for consistency. For bit-perfect playback, I'm using Onkyo HF Player latest version 2.6.0 (obviously, all EQ and resampling off) using FLAC-encoded test signals. Both the iPhone and iPad are on the latest iOS 11.2.2 (notice I'm using the iPhone 6 because I also want to compare the output with the headphone out on the same device). IPhone 6 / iPad Air 2 -> Lighting to 3.5mm jack -> 6' shielded phono-to-RCA cable -> Focusrite Forte ADC -> 6' USB -> Windows 10 laptopįor RightMark measurements, I'm using the latest 6.4.2 PRO version. Yes, it works, in fact this adapter should work with any iOS 10+ device. Hopefully, Apple's learned their lesson and there'll be both Apple and third-party adapters available at launch.As you can see, I've got my usual set-up running to measure the output from that little dongle attached to an iPad Air 2 in this image. Apple should have had them plentifully available, but there was nothing, and for an excruciatingly long time. The worst part of the Dock to Lightning transition wasn't the change itself but the lack of adapters in store or online day one. (The way in-ear headphones used to be.) But those adapters will still be available, right? RIGHT? They'll also be premium wireless AirPods, likely sold separately. What Apple will probably do is include Lightning EarPods in the box, so you'll have a set to use with your iPhone 7. When Lightning debuted, the Dock adapters were sold separately. Will Apple have one of those adapters in the box?īe nice! Unfortunately, Apple doesn't typically include adapters in boxes. Either one that goes from 3.5mm to Lightning, or one that goes from 3.5mm to Bluetooth. How will I use my old 3.5mm headphones with iPhone 7? ![]() Otherwise, we'll once again need adapters to use our old accessories, and eventually end up replacing them with new accessories. ![]() Apple's not replacing the headphone jack with a new port, it's consolidating it into Lightning. Will losing the 3.5mm headphone jack be the same as losing the Dock connector? It hurt at first - many of us had boxes full of the old Dock connectors! - but over time, thanks to adapters and new accessories, the old Dock faded away, and now almost no one even thinks about it any more. And so we got Lightning, a clean, symmetrical, digital, adaptable connector that's now used throughout Apple product lines. Hacked again and again to support a variety of new data types over the years, Apple decided to burn it down and start again. Back in 2012, the old 30-pin Dock connector had reached the end of its natural life. Whatever the reason, Apple has changed the way we connect to our iPhones before.
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