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12 months Grays refund or replacement warranty Extended Warranty Available For Purchase
Etymotic Research ER-4B MicoPro Noise-Isolating In-Ear Earphones
The ER-4B MicroPro earphones are the next best thing to live music, with noise isolation far surpassing that of active noise-canceling earphones. The ER-4B require NO batteries, and can be plugged into any audio source. Their external noise exclusion -- 35 dB with 3-flange eartips, 42 dB with foam eartips -- allows you to hear the full dynamic range of recordings without having to play them at unnaturally high and unsafe levels.
Frequency | 50-10kHz +/- 2dB |
Response Accuracy | 20-16kHz +/- 4dB |
Noise Isolation | 35-42dB |
Impedance (@1 kHz) | 100 ohms |
Maximum Output | 122 dB SPL |
Weight | less than 1 oz |
Eartips | 3-flange eartips foam eartips |
Cable | 5 ft. |
Connector Plug | Stereo, 3.5mm 1/8" included 1/4" stereo adapter |
For the full range of Direct Imports Electronic Products,
GST Note: GST will not be added to, or included in, the price of this item. GST is included in the freight.
As soon as we have processed your order you will receive a dispatch notification with tracking information.
To enable us to source these fantastic worldwide bargains for you please allow 8 - 1 4 days for delivery.
Please be advised that each item is packaged and despatched individually and may arrive separately.
In response to customer expectations for faster deliveries, a fully-automated dispatch process has been implemented; therefore, we are not able to accept any request to redirect an item.
If your item has not arrived within the delivery timeframe, we are required to wait 21 days prior to lodging a claim for insurance purposes.
This product is sourced and delivered directly from Asia to bring you maximum savings.
It is backed by a 12 month local refund or replace warranty handled by Grays in Australia, and comes with a Change of Mind Policy(see Change of Mind tab).
Our goods come with the guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.
For details on how to return the product for refund or replace warranty, read our Terms and Conditions
At Grays we stand by the products we offer, but also respect that sometimes customers change their minds.
With our Direct Import range, the customer may return an item for a full refund (minus delivery and shipping costs) if you change your mind. However, the following conditions do apply:
With free delivery, we reserve the right to deduct the cost of delivery and shipping from the refunded amount.