Moondrop Blessing 3 Cable: Which Upgrade Cable to Choose

A Moondrop Blessing 3 cable needs a 0.78 mm 2-pin connector, because the Blessing 3 has recessed 0.78 mm 2-pin sockets. On any Null Audio cable, choose Standard 2-pin (0.78 mm), which fits recessed and flat sockets. Then pick the player plug you use most, a conductor and a budget.

This guide is for Blessing 3 owners who want to replace or upgrade the stock lead. The connector answer is short, so most of this post covers how to choose between our cables for a Moondrop Blessing 3 cable upgrade: conductor, player plug, length and price.

What connector does a Moondrop Blessing 3 cable need?

The Blessing 3 uses a 0.78 mm 2-pin connector. Moondrop lists the earphone jack as "0.78-2pin" (Moondrop). The sockets are recessed, which means they sit slightly below the surface of the shell.

A recessed socket does not need a special plug. Our Standard 2-pin (0.78 mm) plug fits both recessed and flat sockets. The same option covers the Blessing 2, Aria 2, KATO, Variations and CHU II; our Moondrop cable guide lists each model. If you also own a CHU II, see the Moondrop Chu 2 cable page.

For how 2-pin compares with MMCX, IPX and qdc-style sockets, read 2-pin, MMCX, IPX or Pentaconn Ear.

What comes in the box, and why change it?

Moondrop ships the Blessing 3 with one 3.5 mm silver-plated earphone cable (Moondrop). That is a single-ended cable. Single-ended means the left and right channels share one ground wire.

People usually change the cable for one of four reasons:

• Their source has a 4.4 mm balanced output, and the stock 3.5 mm plug can't use it.
• They want to plug straight into a USB-C phone without a separate dongle.
• They want a different conductor, feel or length.
• The stock cable has failed.

What a cable can change is measurable: fit, resistance, handling and durability. Whether you hear a difference is a separate question. We cover what can be measured in Do IEM upgrade cables make a difference?

Why resistance matters with the Blessing 3

The Blessing 3 is a hybrid with 2 dynamic drivers and 4 balanced armatures, rated at 14.8 Ω. Multi-driver IEMs have an impedance that varies with frequency. So the source's output impedance, plus the cable's resistance, can shift the frequency response slightly.

A common rule of thumb is that output impedance should be no more than 1/8 of the earphone's impedance (Headphones.com). For 14.8 Ω, that is about 1.85 Ω. A typical IEM cable measures under about an ohm, so a well-made cable of any conductor keeps you inside that margin.

Which player plug: 3.5 mm, 4.4 mm balanced or USB-C?

The player plug must match the socket on your phone, dongle, digital audio player (DAP) or amp. It has nothing to do with the earphone end, so any plug works with the Blessing 3.

• 3.5 mm single-ended has 3 contacts: left, right and a shared ground. It suits phones with a jack, most dongles and most players.
• 4.4 mm balanced has 5 contacts: 4 signal and a ground. JEITA added it to standard RC-8141C in 2016 (Phile-web). A balanced cable is a cable in which each channel has its own return wire.
• USB-C DAC puts the digital-to-analogue converter in the plug, so the cable connects directly to a USB-C phone.

Balanced outputs often give more voltage or power. Moondrop rates its Dawn Pro dongle at 2 Vrms single-ended and 4 Vrms balanced (Moondrop). FiiO rates its KA13 at 170 mW or more from 3.5 mm and 550 mW or more from 4.4 mm at 32 Ω (FiiO). At 120 dB/Vrms, the Blessing 3 is sensitive, so extra power is rarely the reason to go balanced. Buy the plug your source has.

If you switch sources often, Ethos Ultra has a detachable player end, with 3.5 mm, 4.4 mm balanced and USB-C DAC plugs in the box. More detail is in 3.5 mm, 2.5 mm or 4.4 mm balanced? and IEMs with your phone.

Copper, silver or hybrid: which conductor?

The conductor is the metal that carries the signal. Silver's resistivity at 20 °C is 1.59×10⁻⁸ Ω·m against copper's 1.68×10⁻⁸ Ω·m, about 5% lower (HyperPhysics). In practice, the thickness of the wire matters as much as the metal.

• Copper: Brevity Pro, Arete MKV, Epsilon MKIII and Tiburon MKIII. We describe Arete as dynamic, with deep bass.
• Silver-plated copper (SPC): a copper conductor with a silver layer. Ethos MKVI is all SPC, and Ethos Ultra uses an SPC shield around a copper core.
• Silver/copper alloy: Lune MKVIII, which we describe as precise in imaging, with a rich mid-range.
• Hybrid and silver: Hakone MKIII combines 7N silver and copper; Thera MKIII is 7N silver, which we describe as accurate, with vocal definition.

The stock Blessing 3 cable is silver-plated. If you want to stay close to that, Ethos MKVI or Lune MKVIII are natural starting points. If you want a change, a copper line is the obvious contrast. Copper vs silver vs silver-plated copper explains OCC, 7N, cryo and Litz.

Moondrop Blessing 3 cable options by budget

Every cable below offers Standard 2-pin (0.78 mm). Prices are the starting configuration; the plug you choose can change the price.

Under USD 100

Capri USB-C is designed for sensitive IEMs, which the Blessing 3 is, and plugs into an Android phone. Brevity Pro is the simple 3.5 mm choice. Ethos Ultra and Ethos MKVI both start at USD 89; Ethos Ultra brings three player plugs; Ethos MKVI is all silver-plated copper, like the stock cable.

USD 100 to 200

Arete MKV, Epsilon MKIII, Lune MKVIII and Tiburon MKIII sit here. Epsilon is the one cable we describe as tuned by engineers at AAW, our sister brand that makes IEMs, for sensitive IEMs.

USD 200 and above

Hakone MKIII and Thera MKIII use cryo-treated 7N conductors. Order them with 4.4 mm if your source is balanced, so the cable suits the system you keep. Our upgrade cables for budget IEMs post covers lower-priced Moondrop models too.

Length, weight and handling

Most of our cables are 1.2 m (48 inches) as standard. Ethos MKVI can also be ordered from 1.5 m to 3.0 m in the configurator. For other lengths on other lines, contact us.

Weight affects comfort over a long session. Lune MKVIII weighs about 24 g and Ethos MKVI about 26 g. Ear guides of about 10 cm come fitted by default on 2-pin cables, which helps the cable sit over your ear.

Microphonics is the noise a cable makes when it rubs or moves (Sennheiser). A soft jacket with little memory effect, such as Brevity Pro's TPE, is easier to coil and carry. How to make your IEM cable last covers storage and care.

How to order a Moondrop Blessing 3 cable

1. Pick a cable from the table above or from all IEM and headphone cables.
2. Under Headphone connection, choose Standard 2-pin (0.78 mm).
3. Choose the player plug that matches the output you use most; see our player plug guide.
4. Check the length, then order. Each cable is built to order.

Every cable carries a 1-year transferable warranty. Most lines can be repaired at a flat rate of USD 30 within 3 years of purchase; Capri and Brevity are not covered by flat-rate repair. See our warranty page.

Own other IEMs too? Look them up in Find My Cable, which covers 400+ models. If you are unsure about your socket, contact us with the model and a close photo before you order.

Frequently asked questions