Control 28-1

High Output Indoor/OutdoorBackground/Foreground Speaker

Control 28-1
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High Output Indoor/Outdoor Background/Foreground Speaker

The Control® 28-1 is a two-way 8” speaker with rich sonic character, wide coverage, consistent coverage, versatile mounting, and a contemporary high-design look that fits into a wide range of decors, This makes Control 28-1 an excellent choice for a wide variety of applications, including retail stores, restaurants, health clubs, theme parks, educational facilities, hospitality, music cafes, leisure venues, and anywhere where a top quality high-output indoor/outdoor foreground/background music (and/or paging) speaker is required.


  • Components:
    • 8” woofer with woven fiberglass cone
    • 1” PEI diaphragm tweeter with fluid cooling
  • Contemporary, high-design appearance
  • Built-in InvisiBall® mounting hardware*, plus available U-bracket
  • Weather resistant enclosure and transducers
  • Wide 100° x 100° coverage
  • 120 Watt power handling (240 Watt program) in direct 8Ω setting, plus built-in 60 Watt 70V/100V multi-tap transformer.
  • High fidelity sound character with broad frequency response of 45 Hz – 20 kHz.


  Version Language Size Uploaded
Data Sheets
file type icon Control 28-1 Spec Sheet
version B, updated: มี.ค. 2020
  467 กิโลไบต์ มี.ค. 2020
file type icon MTC-23UB-1, 25UB-1, 28UB-1 U Bracket Install Guide
updated: ต.ค. 2019
    67.7 กิโลไบต์ ต.ค. 2019
file type icon Control Contractor Brochure (2023)
en version B, updated: มิ.ย. 2023
en  8.18 เมกะไบต์ มิ.ย. 2023
CAD Drawings
file type icon Control 23-1, 25-1, 28-1 Bracket 2D & 3D CAD, PDF
updated: ต.ค. 2020
    5.81 เมกะไบต์ ต.ค. 2020
file type icon Control 28-1/L 2D Drawing
updated: ต.ค. 2020
    485 กิโลไบต์ ต.ค. 2020
file type icon Control 28-1/L 3D Drawing
updated: ต.ค. 2020
    3.33 เมกะไบต์ ต.ค. 2020
BIM Objects
file type icon Control 28-1 BIM Object
updated: ส.ค. 2019
    ส.ค. 2019
file type icon JBL Control Series Passive Speakers DoC
updated: ธ.ค. 2019
    179 กิโลไบต์ ธ.ค. 2019
file type icon Control Contractor Series Declaration of Conformity
updated: ต.ค. 2019
    131 กิโลไบต์ ต.ค. 2019
file type icon Control Contractor 20-1(L) Declaration of Conformity
updated: ต.ค. 2019
    75.9 กิโลไบต์ ต.ค. 2019
platform icon Distributed System Design (DSD) v3.6.2
version 3.6.2, updated: ก.ย. 2021
3.6.2     805 กิโลไบต์ ก.ย. 2021
Ease Data
file type icon Control 23-1, 25-1, 28-1 EASE Data
updated: ต.ค. 2020
    540 กิโลไบต์ ต.ค. 2020
Install Guides
file type icon Invisiball™ Installation Instructions
updated: ก.ย. 2019
    227 กิโลไบต์ ก.ย. 2019
file type icon Attaching Control Contractor Speakers to Stands
updated: พ.ย. 2019
    76.4 กิโลไบต์ พ.ย. 2019
file type icon Guide to Business Music
updated: ต.ค. 2020
    52.4 กิโลไบต์ ต.ค. 2020
file type icon Painting HIPS Loudspeaker Cabinets
updated: มิ.ย. 2023
    377 กิโลไบต์ มิ.ย. 2023
file type icon MTC-PC2 & MTC-PC3 Installation
updated: ก.ย. 2019
    42.5 กิโลไบต์ ก.ย. 2019
file type icon WeatherMax Grille Photos
updated: เม.ย. 2021
    2.75 เมกะไบต์ เม.ย. 2021
file type icon U-Bracket Install guide
updated: ต.ค. 2020
    67.7 กิโลไบต์ ต.ค. 2020
Application Guides
file type icon Loudspeakers for Sports Facilities
en updated: พ.ค. 2021
  en  5.71 เมกะไบต์ พ.ค. 2021
Simulation Data
file type icon JBL Pro ALL CLF Files
version 12-10-21, updated: พ.ค. 2023
12-10-21    24 เมกะไบต์ พ.ค. 2023
file type icon Control 28-1 Angle
updated: ต.ค. 2020
    330 กิโลไบต์ ต.ค. 2020
file type icon Control 28-1 Front White
updated: ต.ค. 2020
    339 กิโลไบต์ ต.ค. 2020
file type icon Control 28-1 Back
updated: ต.ค. 2020
    209 กิโลไบต์ ต.ค. 2020
file type icon Control 28-1 Detail
updated: ต.ค. 2020
    806 กิโลไบต์ ต.ค. 2020
Speaker Tunings
file type icon Commercial, CBT, and AWC Tunings 220616
version A, updated: พ.ค. 2023
  557 กิโลไบต์ พ.ค. 2023

If any of the links above result in strange characters in your browser, please right-click the file to save it to your computer.

Parts & Service


Frequency Range (-10dB) 45 Hz to 20 kHz
Frequency Response (±3 dB) 62Hz - 16 kHz
Power Rating 240 W Continuous Program (2 hrs) 120 W (480W peak), Continuous Pink Noise (2 hrs) 90 W (360W peak) Continuous Pink Noise (100 hrs)
Maximum Input Voltage 27.5 V RMS (2 hrs), 55.0 V peak
Maximum SPL (1m) 112 dB ave. Continuous Pink Noise (118 dB peak)
Sensitivity 91 dB, 1W/1m (ave. 100 Hz – 10 kHz)
Coverage Angle 100°H x 100°V
Directivity Factor (Q) 7.3 (averaged 1kHz – 16kHz)
Directivity Index (DI) 8.3dB (averaged 1kHz – 16kHz)
Impedance 8 ohms (THRU setting)
Crossover Type 2nd order low-pass, 1st order high-pass, plus conjugate shaping
Transformer Taps 70V: 60W, 30W, 15W, 7.5W 100V: 60W, 30W, 15W Insertion Loss: <0.94 dB at any tap setting Thru Setting: 8Ω nominal
Recommended ProtectiveHigh-Pass 45 Hz high-pass (24 dB/oct) for 8Ω operation plus 15W and 7.5W taps; 55 Hz for 30W tap; 65 Hz for 60W tap.
Drivers LF: 200 mm (8 in), woven-fiberglass cone with pure butyl rubber surround with Weather-Edge frame protection, high-temp fiberglass voice coil former, high-temp voice coil wire, optimized cone geometry, linear suspension spider, and FEA optimized motor structure.
HF: 25 mm (1 in) PEI diaphragm, low-viscosity ferro-magnetic fluid, and lightweight Kapton™ voice coil former.
Enclosure High Impact Polystyrene (HIPS) with 10% glass fill, painted with highly-UV resistant paint on white (-WH) version for maximum UV fade resistance.
Grille Highly zinc-plated, finished in durable TGIC polyester powdercoating. MTC-28WMG-1 (&-WH) available with WeatherMax™ multi-layer foam and tight-weave mesh vapor barrier backing.
Mounting Hardware InvisiBall wall-mounting system included. Two 6 mm attachment points (on top and bottom) for optional MTC-28WMG-1 (&-WH) U-bracket. Secondary safety attachment loop point on back panel.
Outdoor Capability IP-44 per IEC529 (IP-55 when installed with the optional MTC-28WMG-1 WeatherMax™ grille and either MTC-PC2 or MTC-PC3 panel cover.) Exceeds MilSpec 810 for humidity, salt-spray, temperature & UV. Passes MilStd-202F for salt spray and ASTM G85 for acid-air plus salt spray. Optional MTC-28WMG-1 WeatherMax™ grille for breaking up driving rain and for especially difficult environments.
Input Connectors Screw-down terminal strip, zinc-plated copper based, nickel-plated metal screws and washers. Accepts up to 9 mm outside 4 mm inside open lugs (#6, #8, or #10 lug), plus bare wire (up to 12 AWG / 2.5 mm2). Optional MTC-PC2 and MTC-PC3 protective panel covers available to provide sealed entrance for additional weather protection.
Safety Agency ROHS-compliant; Transformer UL Recognized per UL1876
Colors Black (RAL9004) or white (-WH, RAL9016)
Dimensions (H x W x D) 386 x 282 x 219 mm (15.2 x 11.1 x 8.6 in); 277 mm (10.9 in) deep total when mounted on InvisiBall wall-mount bracket.
Net Weight (each) 6.8 kg (15.0 lbs)
Shipping Weight 15.4 kg (34 lbs) pair-packed (for 2 speakers)
Included Accessories InvisiBall™ wall-mounting system), 6 mm x 180 mm hex key
Optional Accessories MTC-28UB-1 – Yolk-type U-bracket (&-WH) MTC-28WMG-1 – WeatherMax grille with backing (&-WH) MTC-28/25CM – Ceiling-Mount InvisiBall adapter (&-WH)



HARMAN Professional Solutions:

Control 28-1

High Output Indoor/OutdoorBackground/Foreground Speaker