Shipped from Singapore; delivery options and costs shown at checkout Free FedEx Priority over USD 250 Handmade in Singapore since 2008

A2H Universal In-Ear Monitor - Null Audio

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A2H Universal In-Ear Monitor

Name: Null Audio
Address: #01-03, LHK2 Building, 76 Playfair Road, Singapore, 367996, SG
Telephone: +65 8731 5476
Price range: $$

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Sound Bass boost Wide stage

MusicPop & vocals Rock & metal Hip-hop & EDM

See the frequency response

AAW A2H is a universal-fit hybrid in-ear monitor from AAW (Advanced AcousticWerkes). It comes with our detachable Ethos cable.

A 10 mm dynamic driver and a balanced armature, joined by AAW’s TrueXross crossover with a dual sound bore, in a tuning for bass lovers: thumping yet natural sub-bass and a wide, open stage.

10 mm dynamic + 1 BA
TrueXross crossover
Dual sound bore
Ethos cable

In stockShips from our Singapore studio
14-day returnsUnused, in original packaging · conditions apply
1-year warrantyOn the monitors and the cable · then half price for life
AAW, SingaporeChat and phone support

AAW A2H

Two drivers. A great deal of bass.

A2H is AAW’s classic two-driver hybrid: a 10 mm dynamic driver and a balanced armature, joined by AAW’s TrueXross crossover.

It was tuned for true bass lovers, with a thumping yet natural sub-bass and a stage AAW likens to a pair of full-size headphones.

2 Drivers: 10 mm dynamic + 1 balanced armature
102 dB Sensitivity at 1 mW
10 Ω Impedance at 1 kHz
10 Hz – 40 kHz Frequency range

At a glance

The build behind the listen

10 mm dynamic driver · one balanced armature · Ethos cable

10 mmDynamic woofer
1 ×Balanced armature
TrueXrossCrossover
DualSound bore design

Key features

10 mm proprietary dynamic driver
One balanced armature
TrueXross crossover
Dual sound bore design
Tuned for deep, natural sub-bass

Sensitivity: 102 dB SPL @ 1 mW
Impedance: 10 Ω @ 1 kHz
Total harmonic distortion: ≤ 0.5% @ 1 kHz
Frequency range: 10 Hz – 40 kHz
Drivers: 2 per side
Cable: Null Audio Ethos, detachable

Frequency response

Compare with other models

Measured by AAW on universal shells with one test setup. Custom shells carry the same tuning, though fit, tips and seal shift the result, above 8 kHz most of all.

Open the measurements page →

Sound

Made for the Low End

A2H was tuned for true bass lovers. Its 10 mm dynamic driver gives a thumping yet natural sub-bass, of a kind no all-armature design can give, and a single balanced armature carries the rest of the range.

The stage is binaural and open; AAW likens it to a pair of full-size headphones. AAW recommends A2H to bassists, keyboard players, drummers, DJs and engineers.

Crossover

Two Drivers, One Arrival

AAW’s TrueXross joins the two drivers without a high-order RC network, which can shift phase and scramble arrival times. The dynamic driver’s diaphragm is individually tuned, and a physical low-pass filter keeps it to its own band, with minimal overlap with the armature.

Careful driver placement and a front acoustic bore, with two sound bores in all, do the rest: better coherence, less phase shift and both drivers reaching the ear together.

In the box

Ethos Cable Included

A2H comes with our Ethos cable, 1.2 m long and detachable.

AAW adds a carrying case, a cleaning brush and cloth, a flight adapter and a 6.35 mm adapter.

Compare

A2H vs A3H+ LUX

Two AAW hybrids built on a 10 mm woofer. A2H pairs a 10 mm dynamic driver with one armature in a single, bass-led voicing; A3H+ LUX adds a NOVA armature, a graphene woofer, a machined aluminium shell and a switch with four voicings.

See A3H+ LUX

A2H vs A3H+ LUX
Feature	A2H	A3H+ LUX
Drivers	10 mm dynamic + 1 BA	10 mm graphene dynamic + NOVA + precision BA
Crossover	TrueXross	3-way passive and acoustic
Tuning	One voicing	4-step switch: Vocal, Normal, Vocal+, Bass
Sensitivity / impedance	102 dB @ 1 mW / 10 Ω	105 dB / 12 Ω
Cable	Null Audio Ethos	Null Audio Epsilon; 2.5, 3.5 or 4.4 mm

In the box

Ready to listen

AAW A2H in-ear monitors One pair
Null Audio Ethos cable 1.2 m, detachable
AAW carrying case
Cleaning cloth and brush
Flight and 6.35 mm adapters

Specifications

Technical details

Monitor

Type: Universal-fit hybrid in-ear monitor
Drivers: 10 mm proprietary dynamic driver, 1 × balanced armature
Crossover: TrueXross
Sound bores: Dual sound bore design
Sensitivity: 102 dB SPL @ 1 mW
Impedance: 10 Ω @ 1 kHz
THD: ≤ 0.5% @ 1 kHz
Frequency range: 10 Hz – 40 kHz

Cable

Cable: Null Audio Ethos, 1.2 m, detachable

Service

Warranty: 1 year, on the monitors and the cable
Returns: 14 days from delivery, unused and in original packaging; 30% restocking fee, shipping not refunded. Defects are covered by the warranty.
Ships from: Singapore

5 stars: 4 (100%)
4 stars: 0 (0%)
3 stars: 0 (0%)
2 stars: 0 (0%)
1 star: 0 (0%)

good

good iem

Very clear sound and good bass.

Thank you we hope you fully enjoy the IEM!

Hight cost performance

I think this IEM is very natural sound compare with previous A2H CIEM which I have and improve correctly.

素晴らしい

複数個イヤモニを持っていますが
一番のお気に入りです。ciemでもオーダーしたいです。

Would these work for vocals?

Null Audio

Sound preference is personal. Email sales@null-audio.com with the music and gear you use and we'll help you choose.

What tips would work best with these? Or are they intended to be used without tips?

Null Audio

Hi Brian, we offer multiple ear tips including foam tips in the packaging. It will vary from person to person which tips will give the best seal.

Questions

Good to know

What is the driver configuration?

Two drivers: a 10 mm proprietary dynamic driver for the bass and a balanced armature, joined by AAW’s TrueXross crossover, with a dual sound bore.

What is TrueXross?

AAW’s crossover for hybrid monitors. Instead of a high-order RC network, which can shift phase and scramble arrival times, a physical low-pass filter keeps the dynamic driver to its own band, with minimal overlap with the armatures. With careful driver placement and the acoustic bore design, the result is better coherence and timing between the drivers.

Who is A2H for?

AAW recommends it to bassists, keyboard players, drummers, DJs and engineers. It also suits band performances, emerging artists and worship events, and anyone who wants a deep, natural low end.

What warranty and returns apply?

A2H has a 1-year warranty on the monitors and the cable. Unused universal IEMs in their original packaging can be returned within 14 days of confirmed delivery, with a 30% restocking fee. See shipping and returns.

Do you ship worldwide?

Yes. Most countries get free shipping by EPAC, and FedEx Priority is free on orders of USD 250 or more. In Singapore you can also pick up from our studio at 76 Playfair Road.

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