amperes electronics
Professional Public Address (PA) System Manufacturer
ZS5121
12 Ch Speaker Zone Selector
ZS5121 is a 12-zone speaker selector for single-source PA systems, with front panel switches or remote triggering via PM series paging microphones or TD series zone decoders.
Remote triggering via paging mic or zone decoders with All Call
Expandable by cascading multiple units
Paging overrides BGM with priority LED indicator
Emergency mic port with dry contact for volume override
Introduction
ZS5121 (12-zone) and ZS5601 (6-zone) speaker zone selectors allow seamless switching of BGM and paging audio to selected zones. When a paging mic is activated, the system automatically bypasses the selected BGM zones, as indicated by a bypass LED. These units support direct switching via the front panel or remote triggering through Amperes PM Series paging microphones and TD6240 & TD6400 zone decoders for larger setups. They can also be cascaded for extended installations.
Packing information
Carton size : 555 (L) x 295 (W) x 95 (H) mm
Gross weight : 3.0 kg
Net weight: 2.40 kg
1 unit per carton
Introduction
ZS5121 (12-zone) and ZS5601 (6-zone) speaker zone selectors allow seamless switching of BGM and paging audio to selected zones. When a paging mic is activated, the system automatically bypasses the selected BGM zones, as indicated by a bypass LED. These units support direct switching via the front panel or remote triggering through Amperes PM Series paging microphones and TD6240 & TD6400 zone decoders for larger setups. They can also be cascaded for extended installations.
Packing information
Carton size : 555 (L) x 295 (W) x 95 (H) mm
Gross weight : 3.0 kg
Net weight: 2.40 kg
1 unit per carton
ZS5121
Power Requirements
Operating voltage
24V DC via PS9400 (0.5A)
Power consumption
6.8W, 0.28A with All Call
Connectivity
Max load / channel
500W 100V Line
Number of zones
12 zones
Amplifier inputs
12 inputs
Zone selection (Paging)
Front panel switch and remote triggering via PM series paging mics & TD series decoders
Zone selection (BGM)
Front panel switch
Cascade limitation
Unlimited
Remote triggering
-ve triggered (common ground)
Switching indicators
Individual zone switch & priority
Switching mode
Individual or All CallLocal zone selection is bypassed when remote triggering is activated
Physical Specifications
Dimensions (W x H x D)
482 x 44 x 180 mm
Net weight
2.40 kg
Note: The specification parameters may be changed, added, or omitted without prior notice. Last updated on 2 June 2026.
Available in 6-zone (ZS5601) and 12-zones (ZS5121) with All Call
Speaker zone selector with front panel switch and remote paging triggering
Supports remote activation via PM series paging mic or TD series zone decoders
Paging overrides BGM with priority LED indication
Emergency mic port with dry contact for volume override
Expandable by cascading multiple units
Works with 3-wire and 4-wire PA systems
Registered association members of
International recognitions
© 1999 - 2026 Amperes Electronics Sdn Bhd. All Rights Reserved.
Payment
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Sales Office (Malaysia)
70, Jalan Industri PBP 3,
Taman Perindustrian Pusat Bandar Puchong,
47100 Puchong, Selangor, Malaysia.
Tel: +603-5882 7757 / 7758
Production Factory (Malaysia)
2, Jalan Meranti Puchong D25@Meranti Puchong
47120 Puchong, Selangor, Malaysia
Export Sales Office (Singapore)
Amperes Asia Pte Ltd
(Co Reg: 201102253E)
1, North Bridge Road, #13-03, High Street Centre, Singapore 179094
Amperes Electronics Sdn Bhd
SSM Registration No: 200001006420 (509025-X)
Your Trusted PA System Manufacturer since 1999
Sales Office (Malaysia)
70, Jalan Industri PBP 3,
Taman Industri Pusat Bandar Puchong
47100 Puchong, Selangor, Malaysia.
Tel: +603-5882 7757 / 7758
Production Factory (Malaysia)
2, Jalan Meranti Puchong D25@Meranti Puchong 47120 Puchong, Selangor, Malaysia
Export Sales Office (Singapore)
Amperes Asia Pte Ltd
(Co Reg: 201102253E)
1, North Bridge Road, #13-03, High Street Centre, Singapore 179094