DT 2143 KTX T10 DT 2143 KTX T15 DT 2143 KTX T20 DT 2143 KTX T25 DT 2143 KTX T27 DT 2143 KTX T30 DT 2143 KTX T40 DT 2143 KTX-007 DT 2S-BT-BK DT 6S-BT-BK