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Audio-Technica Aew-R4100 Frequency-agile true diversity UHF receiver

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Audio-Technica Aew-R4100 (AewR4100, Aew R4100, Aew/R4100, aew-r4100) Frequency-agile true diversity UHF receiver

Audio-Technica’s upgraded 4000 Series frequency-agile UHF body-pack and handheld wireless systems bring outstanding clarity and versatility to live performance, regional touring, fixed installations and more. At the heart of the 4000 Series is a rugged True Diversity half-rack receiver, the AEW-R4100, with 996 selectable channels offered in each of two available UHF bands.

Receivers from both the 4000 and 5000 Series may be linked; they may be monitored by the 5000 Series system software. The included IntelliScanâ„¢ feature automatically determines and sets the best available frequencies on all linked receivers.

Multiple system configurations are available, with handheld vocal microphone/transmitters and UniPak® body-pack transmitters designed for use with lavalier, headworn and instrument microphones as well as electric guitars.


  • 996 selectable UHF channels per band and True Diversity reception for interference-resistant operation
  • Available in two frequency bands:
    541.500 - 566.375 MHz (TV Channels 25 - 30) and
    655.500 - 680.375 MHz (TV Channels 44 - 49)
  • IntelliScanâ„¢ feature automatically finds and sets best available frequencies on all linked receivers
  • Advanced digital Tone Lockâ„¢ squelch effectively blocks stray RF; the digitally encoded tone also communicates transmitter data for receiver display
  • Dual Compander circuitry processes high and low frequencies separately for unmatched audio quality
  • Link and coordinate multiple receiver channels
  • High-visibility white-on-blue LCD information display
  • Metal half-rack receiver chassis with mounting hardware
  • All transmitters offer rugged, ergonomic metal bodies, programmable features, soft-touch controls, and 10 mW/35 mW switchable RF power
  • Backlit LCD displays on transmitters
  • Locking battery door on UniPak body-pack transmitter
  • All components store up to five preset configurations, with customized "names" if desired


Operating Frequencies UHF band 

Band C: 541.500 to 566.375 MHz (996 frequencies) 

Band D: 655.500 to 680.375 MHz (996 frequencies)

Frequency Stability ±0.005%, Phase Lock Loop frequency control

Minimum Frequency Step 25 kHz

Modulation Mode FM

Normal Deviation ±5 kHz

Operating Range 300' typical

Operating Temperature Range 41° F (5° C) to 113° F (45° C)

Frequency Response 70 Hz to 15 kHz


Receiving System Dual independent RF sections, automatic-switching diversity

Image Rejection 60 dB typical

Signal-to-noise Ratio 115 dB at 40 kHz deviation (IEC-weighted, 75 kHz maximum modulation)

Total Harmonic Distortion <=1% (10 kHz deviation at 1 kHz)

Sensitivity 20 dBµV (S/N 70 dB at 5 kHz deviation, IEC-weighted)

Intermediate Frequency 65.75 MHz, 10.7 MHz

Audio Output - Microphone (ATTN switch at "0") 

25 mV (at 1 kHz, ±5 kHz deviation, 10k ohm load)

Audio Output - Instrument (ATTN switch at "0") 

50 mV (at 1 kHz, ±5 kHz deviation, 10k ohm load)

Audio Output Attenuator (ATTN) Three-position switch: 0 / -6 / -12 dB

Output Connectors (Microphone) XLRM-type (balanced)

Output Connectors (Instrument) 1/4" (6.3 mm) TS unbalanced phone jack

Headphone Output Connector: 1/4" (6.3 mm) TRS ("stereo") phone jack 

Power Output: 10 mW + 10 mW at 1 kHz, ±5 kHz deviation into 32 ohms; maximum output, 220 mW + 220 mW into 32 ohms.

Antenna Power DC 10V-12V, 20 mA (BNC-type jack)

Power Supply 100-240V AC 50/60 Hz; 8W

Dimensions 8.31" (211.0 mm) W x 

1.74" (44.0 mm) H x 

9.26" (235.0 mm) D

Net Weight 3.8 lbs (1.7 kg)

Accessories Included Detachable IEC-type AC power cable; two flexible UHF half-wave antennas; link cable; rack-mount adapters

Body-pack Transmitter

RF Power Output High: 35 mW; Low: 10 mW, nominal

Spurious Emissions Under federal regulations

Microphone Dynamic Range >=110 dB, A-weighted

Instrument Dynamic Range >=100 dB, A-weighted

Input Connections High impedance, low impedance, bias

Batteries Two 1.5V AA alkaline (not included)

Current Consumption High: 185 mA; Low: 165 mA, typical

Battery Life Approximately 8 hours (High); 10 hours (Low), depending on battery type and use pattern

Dimensions 2.60" (66.0 mm) W x 

3.43" (87.0 mm) H x 

0.94" (24.0 mm) D

Net Weight 4.4 oz (125 g)

Handheld Transmitter

RF Power Output High: 35 mW; Low: 10 mW, nominal

Spurious Emissions Under federal regulations

Dynamic Range >=110 dB, A-weighted

Microphone Element AEW-T3300a: Cardioid Condenser 

AEW-T4100a: Cardioid Dynamic 

AEW-T5400a: Cardioid Condenser 

AEW-T6100a: Hypercardioid Dynamic

Batteries Two 1.5V AA alkaline (not included)

Current Consumption High: 185 mA; Low: 165 mA, typical

Battery Life Approximately 6 hours (High); 8 hours (Low), depending on battery type and use pattern

Dimensions AEW-T3300a, AEW-T5400a: 9.41" (239.0 mm) long, 

1.97" (50.0 mm) maximum diameter 

AEW-T4100a, AEW-T6100a: 9.33" (237.0 mm) long, 

1.89" (48.0 mm) maximum diameter

Net Weight AEW-T3300a: 9.5 oz (270 g) 

AEW-T4100a: 9.7 oz (276 g) 

AEW-T5400a: 10.0 oz (285 g) 

AEW-T6100a: 9.7 oz (275 g)

Accessory Included AT8456a Quiet-Flex™ stand clamp


Business Finance Options:

More and more businesses are adapting their strategies to focus on financial forecasting, credit control and effective working capital management. The trick is to invest in the business using finance options that encourage payment over time, offer demonstrable return on investment (ROI) and, most importantly, leave reserves intact.


1.                                Spread the cost over time

2.                                Tax efficiency

3.                                Create instant cash flow benefits

4.                                Demonstrate ROI from day one

5.                                Gain additional source of credit

6.                                Cover all acquisitions with one simple, regular payment

Example Quote:

Capital Cost: £10,000

Rental: 1 + 35 Monthly Payments of £320.00

Subject to underwriting and terms and conditions

For further information please contact our sales team on +44 (0) 208 397 1407 or email us on

Standard UK Mainland Delivery    

We offer a standard mainland UK Delivery charge of £6.25 plus VAT on all orders (unless otherwise specified)

Items are estimated to arrive between 1-2 working days, subject to stock availability.

We also offer a Next Day Delivery £7.50 + vat and a Saturday Delivery option £25.00 + vat

Next day delivery - Option available if you order before 2.00pm 

European Delivery Service

DigiBroadcast can ship any item within Europe. Delivery charges will apply and are dependent on the size, weight and destination of the products you have ordered, and the area zone it is allocated to. 

All European deliveries are estimated to arrive between 1-3 working days, subject to stock availability, and prices are dependent on the European zone your country is allocated to.


Offshore & Overseas Delivery Service                                        

DigiBroadcast can ship any item worldwide. Delivery charges will apply and are dependent on the size, weight and destination of the products you have ordered, and the area zone it is allocated to.

All International deliveries are estimated to arrive between 2-5 working days, subject to stock availability,and shipping prices are dependent on the International zone your country is allocated to.

You will be responsible for any customs or import duties levied once the goods reach your country.   


IMPORTANT NOTES REGARDING VAT AND EU VAT                                      

If you are an EU registered business, with a valid VAT number, then you do not have to pay VAT.

You can enter your VAT registration number on the check out page, after you have selected your payment method.

Returns Policy                                               

This web site is intended for professional users. Customers must satisfy themselves that a product is suitable before making a purchase. Items sold online are sold on a firm sale basis and are not returnable. Items sold as new that within one year of the date of sale exhibit problems which can be attributed to manufacturing faults will be repaired or replaced. The decision to repair or replace will be at the discretion of Digibroadcast Co Ltd.                                                                                        

As part of our policy, items must be returned as new within 7 working days of delivery and with all the original packaging intact and product tags attached.                                            

Please notify us of your intention to return in writing at within 7 days of receiving your delivery.         

Returns Policy  for USED products                                                                               

Problems that can be attributed to fair wear and tear, misuse, exposure to contaminants including water or impact damage will be chargeable repairs.

"You" the customer within 7 days must notify us if you wish to return your purchased products to be able to asses, verify and fix any disputes with the purchase.                                           

Customers wishing to return items to Digibroadcast Co Ltd. must contact us to obtain a returned material number (RMA) before shipping the item. When contacting us please say that you want to make a return and have your invoice number ready to quote.                                           

Items returned to Digibroadcast Co Ltd without prior agreement will be returned to the customer. Digibroadcast Co Ltd accepts no liability for financial losses incurred by customers who have submitted unauthorised returns.                                

For some products the manufacturer offers the facility to register the product and obtain an enhanced warranty. Customers are strongly urged to register such products immediately. Digibroadcast co ltd regret that unregistered customers will not be able to benefit from the additional benefits.                                           


Unwanted Product Returns within 14 days                                        

"You" the customer within 7 days must notify us if you wish to return your purchased products. After 7 days, unwanted goods will only be accepted at Digibroadcast Co Ltd discretion and will be subject to a 25% restocking charge.                                           

The unwanted product must be returned in its original and undamaged packaging with all the accessories. Returns must be made within a reasonable period - maximum of 28 days from the day you receive the product.                                      

If the product is not returned in its original packaging, is damaged or has any accessories missing, we reserve the right to refuse a refund or charge for the missing accessories.                                       

We will not refund the delivery charge and you will be liable for the delivery charge when returning the product. Follow our Return Procedure to return the product.                                               

We accept PayPal, American Express, Visa, MasterCard, Maestro, Visa Electro, Delta, most Corporate cards and European cards.


If you wish to pay over the phone simply call us on +44(0) 208 397 1407

We also accept payment by Bank Transfer and Cash

Payments can also be made in person on collection

The prices stated on our website include any VAT. The amount you pay will be the price indicated on the product plus any delivery charges.

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Credit & debit Cards Validation
All credit and debit cardholders are subject to validation checks and authorisation by the card issuer.

If the issuer of your payment card refuses to, or does not for any reason, authorise payment then you will be notified.

We may also use your information for the purposes of the prevention and detection of fraud. One of the purposes for which we may disclose your address and postcode details is to check against the IMRG Security Alert or any other Credit Reference Agency or Fraud Prevention Scheme.

At all times where we disclose your information it will remain secure.

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Sage Pay uses a range of secure methods, including fraud screening, IP address blocking and 3D secure: once on the Sage Pay systems, all sensitive data is secured using internationally recognised 256-bit encryption standards. Sage Pay is PCI DSS (Payment Card Industry Data Security Standard) compliant to the highest level and maintains regular security audits, and is regularly audited by the banks and banking authorities to ensure that their systems are impenetrable. Sage Pay is an active member of the PCI Security Standards Council (PCI SSC) that defines card industry global regulation.

Your session is in a secure encrypted environment when you see https:// in the web address, and/or when you see the locked padlock symbol alongside the URL.

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