Exhibit 21.1
List of Subsidiaries
| Company Name | Where Incorporated | |
| Domestic | ||
| Knowles Capital Holdings, Inc. | Delaware | |
| Knowles Cazenovia Inc. | Delaware | |
| Knowles Corporation | Delaware | |
| Knowles Electronics Holdings, Inc. | Delaware | |
| Knowles Electronics, LLC | Delaware | |
| Knowles Intermediate Holding, Inc. | Delaware | |
| Novacap, LLC | Delaware | |
| Sensor Platforms, Inc. | Delaware | |
| Foreign | ||
| Audience Communications Systems India Private Limited | India | |
| Audience International, Inc. | Cayman Islands | |
| Audience Singapore Pte. Ltd. | Singapore | |
| KEP (Philippines) Reality Corporation ("LandCo") | Philippines | |
| Knowles (UK) Limited | United Kingdom | |
| Knowles Electronics (Malaysia) Sdn. Bhd. | Malaysia | |
| Knowles Electronics (Philippines) Corporation | Philippines | |
| Knowles Electronics (Shanghai) Co., Ltd. | China | |
| Knowles Electronics (Shanghai) Co., Ltd. Beijing Branch | China | |
| Knowles Electronics (Shanghai) Co., Ltd. Shenzhen Branch | China | |
| Knowles Electronics (Suzhou) Co. Ltd. Shanghai Branch | China | |
| Knowles Electronics (Suzhou) Co., Ltd. | China | |
| Knowles Electronics (Suzhou) Co., Ltd. Shenzhen Branch | China | |
| Knowles Electronics (Weifang), Inc. | China | |
| Knowles Electronics Austria GmbH | Austria | |
| Knowles Electronics Denmark ApS | Denmark | |
| Knowles Electronics Japan, K.K. | Japan | |
| Knowles Electronics Singapore Pte Ltd | Singapore | |
| Knowles Electronics Taiwan, Ltd. | Taiwan | |
| Knowles Europe | United Kingdom | |
| Knowles GmbH | Switzerland | |
| Knowles Holdings Austria GmbH | Austria | |
| Knowles IPC (M) Sdn. Bhd. | Malaysia | |
| Knowles Korea Yuhan Hoesa | South Korea | |
| Knowles Luxembourg International Sarl | Luxembourg | |
| Knowles Luxembourg S.a.r.l. | Luxembourg | |
| Revod (Philippines) Holdings Corporation | Philippines | |
| Simek GmbH | Germany | |