Portable PA

This is a Special Order Item

CCH-U1DDW Coach 400 compact personal PA with USB player & UHF Receiver

RRP $799.00
Quantity In Cart:  
Unit of Measure


5 Year
Technical Specifications
Brands Chiayo Electronics
Microphone Type Portable PA
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Coach 400 compact personal PA with 1 x UHF 16 channel receiver and USB player/recorder with LCD display. Includes DC20 dustcover. 

Transmitters not included

COACH 400, integrated with high-performance lithium battery, eliminates tangled cables and offers 3.5Ø audio input / output. Two alarm sound effects for special or emergency broadcasting. Modern, stylish, compact as well as highly functional.

  • 40W Class-D amplifier to power a 4" full-range driver.
  • MIC IN (Φ6.3mm jack) for microphone with volume control.
  • AUX IN (Φ3.5mm jack) with volume control.
  • One diversity receiver module with fixed/16 frequencies.(520 Mhz).
  • Built-in USB music player & recorder with LCD screen and remote control.
  • AUX OUT (Φ3.5mm jack) for external audio recording.
  • Equalizer for all audio inputs.
  • Two alarm sounds for emergency broadcasting.
  • Smart charging circuit with battery indicator LED and charging LED.
  • Up to 12 hours operating time per charge with lithium battery.
  • User friendly battery compartment design for simple battery replacement.
  • Tripod stand mountable with ST-30.
  • 2 power modes: Internal Rechargeable battery & DC jack.

Small but loud
Built-in 40W class-D power amplifier drives 4” full range speaker and easily satisfies the amplification requirement of small events with a 100-300 crowd.

Best take-and-go
Easy to carry around by hand or shoulder, or mounted on a tripod. It is the best companion for small venues such as religious gatherings, guided tours, electoral campaigns, teaching and presentation of exhibitions.

Flexible customization
The multimedia functions are flexibly expandable based on the requirement of various applications, such as the receiver module of wireless microphone and MP3 recorder player with remote control.

Long battery duration
12 hours of operation per charge. Battery compartment design makes battery replacement much easier.

  • Model:    COACH 400
  • Max power output:    40W, 4Ω load (class-D)
  • Speaker system:    4" full range
  • Frequency response:    50Hz-20KHz±3dB
  • T.H.D.:    < 0.5%
  • Audio input:   
    • MIC in (Ø6.3mm),
    • AUX in (Ø3.5mm),
    • USB (optional)
  • Audio output:    AUX out (Ø3.5mm)
  • Power supply:    100-240V AC, 19V DC / 3.42A
  • Battery:    Lithium (16.8V / 2.6Ah)x1
  • Operating time:    5-6 hours in music, 10-12 hours in speech
  • Charging time:    about 4 hours
  • Dimensions (mm):    156 x 205 x 156
  • Weight (kg):    1.6

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Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and 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.

All items purchased from Amber Technology will be covered under warranty. The duration and terms of this warranty are specified by the manufacturer unless otherwise stated. Warranty information is available on the individual product listings on this site.

Refurbished items will include a 12 month warranty unless otherwise stated.

Please contact us if you have received an item which has been damaged in transit or is otherwise not working correctly when you receive it. Subject to availability, we will arrange for a replacement item to be despatched and for the faulty item to be returned to us. 

Amber Technology maintains a nation-wide network of carefully selected Authorised Service Agents to ensure that you are never far from convenient, expert technical and service support. If your item develops a problem and requires servicing under warranty, please contact your local Authorised Service Agent.

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"Special Order” items are products that are not generally kept in stock in Australia. Lead times for Special Order items vary depending on country of origin, manufacturer’s stock levels, factory production schedules and/or incoming shipment transit times. Please contact us for an estimate as to the likely lead time. Please note that finalized sales for special order items cannot be cancelled.

Refurbished items

If refurbished stock is available, this will be shown on the summary page for the product. If a product listing only allows you to choose refurbished stock, we are not holding new stock and we can no longer obtain new stock.

Refurbished items are always in perfect working order and will include all accessories. Refurbished items are may

  • have a damaged carton
  • have been used for demonstrations
  • have been repaired
  • have minor imperfections that do not impact performance.

Refurbished items include a 12-Month warranty unless otherwise stated.

Technical Support

Please visit the Get Support page to find a service agent, log a service ticket, or ask a technical question about your product.


Please contact us if you have received an item which has been damaged in transit or is otherwise not working correctly when you receive it. Subject to availability, we will arrange for a replacement item to be despatched and for the faulty item to be returned to us.  


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